| 12.6.3_2-3-a-ii-1.js |
---
info: |
Refer 12.6.3;
The production
IterationStatement : for ( var VariableDeclarationListNoIn ; Expressionopt ; Expressionopt ) Statement
is evaluated as follows:
es5id: 12.6.3_2-3-a-ii-1
description: >
The for Statement - (normal, V, empty) will be returned when first
Expression is an Object with value false
--- |
685 |
- |
| 12.6.3_2-3-a-ii-2.js |
---
info: |
Refer 12.6.3;
The production
IterationStatement : for ( var VariableDeclarationListNoIn ; Expressionopt ; Expressionopt ) Statement
is evaluated as follows:
es5id: 12.6.3_2-3-a-ii-2
description: >
The for Statement - (normal, V, empty) will be returned when first
Expression is a Boolean object
--- |
684 |
- |
| 12.6.3_2-3-a-ii-3.js |
---
info: |
Refer 12.6.3;
The production
IterationStatement : for ( var VariableDeclarationListNoIn ; Expressionopt ; Expressionopt ) Statement
is evaluated as follows:
es5id: 12.6.3_2-3-a-ii-3
description: >
The for Statement - (normal, V, empty) will be returned when first
Expression is a Number object (value is NaN)
--- |
693 |
- |
| 12.6.3_2-3-a-ii-4.js |
---
info: |
Refer 12.6.3;
The production
IterationStatement : for ( var VariableDeclarationListNoIn ; Expressionopt ; Expressionopt ) Statement
is evaluated as follows:
es5id: 12.6.3_2-3-a-ii-4
description: >
The for Statement - (normal, V, empty) will be returned when first
Expression is a Number object (value is +0)
--- |
691 |
- |
| 12.6.3_2-3-a-ii-5.js |
---
info: |
Refer 12.6.3;
The production
IterationStatement : for ( var VariableDeclarationListNoIn ; Expressionopt ; Expressionopt ) Statement
is evaluated as follows:
es5id: 12.6.3_2-3-a-ii-5
description: >
The for Statement - (normal, V, empty) will be returned when first
Expression is a Number object (value is -0)
--- |
691 |
- |
| 12.6.3_2-3-a-ii-6.js |
---
info: |
Refer 12.6.3;
The production
IterationStatement : for ( var VariableDeclarationListNoIn ; Expressionopt ; Expressionopt ) Statement
is evaluated as follows:
es5id: 12.6.3_2-3-a-ii-6
description: >
The for Statement - (normal, V, empty) will be returned when first
Expression is a Number object (value is a positive)
--- |
699 |
- |
| 12.6.3_2-3-a-ii-7.js |
---
info: |
Refer 12.6.3;
The production
IterationStatement : for ( var VariableDeclarationListNoIn ; Expressionopt ; Expressionopt ) Statement
is evaluated as follows:
es5id: 12.6.3_2-3-a-ii-7
description: >
The for Statement - (normal, V, empty) will be returned when first
Expression is a String object (value is empty string)
--- |
701 |
- |
| 12.6.3_2-3-a-ii-8.js |
---
info: |
Refer 12.6.3;
The production
IterationStatement : for ( var VariableDeclarationListNoIn ; Expressionopt ; Expressionopt ) Statement
is evaluated as follows:
es5id: 12.6.3_2-3-a-ii-8
description: >
The for Statement - (normal, V, empty) will be returned when first
Expression is a String object (value is 'undefined')
--- |
709 |
- |
| 12.6.3_2-3-a-ii-9.js |
---
info: |
Refer 12.6.3;
The production
IterationStatement : for ( var VariableDeclarationListNoIn ; Expressionopt ; Expressionopt ) Statement
is evaluated as follows:
es5id: 12.6.3_2-3-a-ii-9
description: >
The for Statement - (normal, V, empty) will be returned when first
Expression is a String object (value is 'null')
--- |
699 |
- |
| 12.6.3_2-3-a-ii-10.js |
---
info: |
Refer 12.6.3;
The production
IterationStatement : for ( var VariableDeclarationListNoIn ; Expressionopt ; Expressionopt ) Statement
is evaluated as follows:
es5id: 12.6.3_2-3-a-ii-10
description: >
The for Statement - (normal, V, empty) will be returned when first
Expression is a String object (value is '1')
--- |
694 |
- |
| 12.6.3_2-3-a-ii-11.js |
---
info: |
Refer 12.6.3;
The production
IterationStatement : for ( var VariableDeclarationListNoIn ; Expressionopt ; Expressionopt ) Statement
is evaluated as follows:
es5id: 12.6.3_2-3-a-ii-11
description: >
The for Statement - (normal, V, empty) will be returned when first
Expression is undefined
--- |
602 |
- |
| 12.6.3_2-3-a-ii-12.js |
---
info: |
Refer 12.6.3;
The production
IterationStatement : for ( var VariableDeclarationListNoIn ; Expressionopt ; Expressionopt ) Statement
is evaluated as follows:
es5id: 12.6.3_2-3-a-ii-12
description: >
The for Statement - (normal, V, empty) will be returned when first
Expression is null
--- |
592 |
- |
| 12.6.3_2-3-a-ii-13.js |
---
info: |
Refer 12.6.3;
The production
IterationStatement : for ( var VariableDeclarationListNoIn ; Expressionopt ; Expressionopt ) Statement
is evaluated as follows:
es5id: 12.6.3_2-3-a-ii-13
description: >
The for Statement - (normal, V, empty) will be returned when first
Expression is a boolean (value is false)
--- |
615 |
- |
| 12.6.3_2-3-a-ii-14.js |
---
info: |
Refer 12.6.3;
The production
IterationStatement : for ( var VariableDeclarationListNoIn ; Expressionopt ; Expressionopt ) Statement
is evaluated as follows:
es5id: 12.6.3_2-3-a-ii-14
description: >
The for Statement - (normal, V, empty) will be returned when first
Expression is a number (value is NaN)
--- |
610 |
- |
| 12.6.3_2-3-a-ii-15.js |
---
info: |
Refer 12.6.3;
The production
IterationStatement : for ( var VariableDeclarationListNoIn ; Expressionopt ; Expressionopt ) Statement
is evaluated as follows:
es5id: 12.6.3_2-3-a-ii-15
description: >
The for Statement - (normal, V, empty) will be returned when first
Expression is a number (value is +0)
--- |
608 |
- |
| 12.6.3_2-3-a-ii-16.js |
---
info: |
Refer 12.6.3;
The production
IterationStatement : for ( var VariableDeclarationListNoIn ; Expressionopt ; Expressionopt ) Statement
is evaluated as follows:
es5id: 12.6.3_2-3-a-ii-16
description: >
The for Statement - (normal, V, empty) will be returned when first
Expression is a number (value is -0)
--- |
608 |
- |
| 12.6.3_2-3-a-ii-17.js |
---
info: |
Refer 12.6.3;
The production
IterationStatement : for ( var VariableDeclarationListNoIn ; Expressionopt ; Expressionopt ) Statement
is evaluated as follows:
es5id: 12.6.3_2-3-a-ii-17
description: >
The for Statement - (normal, V, empty) will be returned when first
Expression is a number (value is a positive)
--- |
651 |
- |
| 12.6.3_2-3-a-ii-18.js |
---
info: |
Refer 12.6.3;
The production
IterationStatement : for ( var VariableDeclarationListNoIn ; Expressionopt ; Expressionopt ) Statement
is evaluated as follows:
es5id: 12.6.3_2-3-a-ii-18
description: >
The for Statement - (normal, V, empty) will be returned when first
Expression is a string (value is empty string)
--- |
618 |
- |
| 12.6.3_2-3-a-ii-19.js |
---
info: |
Refer 12.6.3;
The production
IterationStatement : for ( var VariableDeclarationListNoIn ; Expressionopt ; Expressionopt ) Statement
is evaluated as follows:
es5id: 12.6.3_2-3-a-ii-19
description: >
The for Statement - (normal, V, empty) will be returned when first
Expression is a string (value is 'undefined')
--- |
662 |
- |
| 12.6.3_2-3-a-ii-20.js |
---
info: |
Refer 12.6.3;
The production
IterationStatement : for ( var VariableDeclarationListNoIn ; Expressionopt ; Expressionopt ) Statement
is evaluated as follows:
es5id: 12.6.3_2-3-a-ii-20
description: >
The for Statement - (normal, V, empty) will be returned when first
Expression is a string (value is 'null')
--- |
652 |
- |
| 12.6.3_2-3-a-ii-21.js |
---
info: |
Refer 12.6.3;
The production
IterationStatement : for ( var VariableDeclarationListNoIn ; Expressionopt ; Expressionopt ) Statement
is evaluated as follows:
es5id: 12.6.3_2-3-a-ii-21
description: >
The for Statement - (normal, V, empty) will be returned when first
Expression is a string (value is '1')
--- |
646 |
- |
| cptn-decl-expr-iter.js |
---
es6id: 13.7.4.7
description: >
Completion value when head has a declaration and a "test" expression and iteration occurs
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(varDcl).
3. Return ForBodyEvaluation(the first Expression, the second Expression,
Statement, « », labelSet).
13.7.4.8 Runtime Semantics: ForBodyEvaluation
1. Let V = undefined.
[...]
4. Repeat
a. If test is not [empty], then
i. Let testRef be the result of evaluating test.
ii. Let testValue be GetValue(testRef).
iii. ReturnIfAbrupt(testValue).
iv. If ToBoolean(testValue) is false, return NormalCompletion(V).
--- |
1153 |
- |
| cptn-decl-expr-no-iter.js |
---
es6id: 13.7.4.7
description: >
Completion value when head has a declaration and a "test" expression and no iteration occurs
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(varDcl).
3. Return ForBodyEvaluation(the first Expression, the second Expression,
Statement, « », labelSet).
13.7.4.8 Runtime Semantics: ForBodyEvaluation
1. Let V = undefined.
[...]
4. Repeat
a. If test is not [empty], then
i. Let testRef be the result of evaluating test.
ii. Let testValue be GetValue(testRef).
iii. ReturnIfAbrupt(testValue).
iv. If ToBoolean(testValue) is false, return NormalCompletion(V).
--- |
1130 |
- |
| cptn-expr-expr-iter.js |
---
es6id: 13.7.4.7
description: >
Completion value when head has no declaration and a "test" expression and
iteration occurs
info: |
IterationStatement :
for ( Expressionopt ; Expressionopt ; Expressionopt ) Statement
1. If the first Expression is present, then
a. Let exprRef be the result of evaluating the first Expression.
b. Let exprValue be GetValue(exprRef).
c. ReturnIfAbrupt(exprValue).
2. Return ForBodyEvaluation(the second Expression, the third Expression,
Statement, « », labelSet).
13.7.4.8 Runtime Semantics: ForBodyEvaluation
1. Let V = undefined.
[...]
4. Repeat
a. If test is not [empty], then
i. Let testRef be the result of evaluating test.
ii. Let testValue be GetValue(testRef).
iii. ReturnIfAbrupt(testValue).
iv. If ToBoolean(testValue) is false, return NormalCompletion(V).
--- |
1257 |
- |
| cptn-expr-expr-no-iter.js |
---
es6id: 13.7.4.7
description: >
Completion value when head has no declaration and a "test" expression and no iteration occurs
info: |
IterationStatement :
for ( Expressionopt ; Expressionopt ; Expressionopt ) Statement
1. If the first Expression is present, then
a. Let exprRef be the result of evaluating the first Expression.
b. Let exprValue be GetValue(exprRef).
c. ReturnIfAbrupt(exprValue).
2. Return ForBodyEvaluation(the second Expression, the third Expression,
Statement, « », labelSet).
13.7.4.8 Runtime Semantics: ForBodyEvaluation
1. Let V = undefined.
[...]
4. Repeat
a. If test is not [empty], then
i. Let testRef be the result of evaluating test.
ii. Let testValue be GetValue(testRef).
iii. ReturnIfAbrupt(testValue).
iv. If ToBoolean(testValue) is false, return NormalCompletion(V).
--- |
1194 |
- |
| decl-async-fun.js |
---
esid: sec-for-statement
description: >
AsyncFunctionDeclaration is not allowed in statement position
info: |
ExpressionStatement[Yield, Await] :
[lookahead ∉ { {, function, async [no LineTerminator here] function, class, let [ }]
Expression[+In, ?Yield, ?Await] ;
negative:
phase: parse
type: SyntaxError
features: [async-functions]
--- |
593 |
- |
| decl-async-gen.js |
---
esid: sec-for-statement
description: >
AsyncGeneratorDeclaration is not allowed in statement position
info: |
ExpressionStatement[Yield, Await] :
[lookahead ∉ { {, function, async [no LineTerminator here] function, class, let [ }]
Expression[+In, ?Yield, ?Await] ;
negative:
phase: parse
type: SyntaxError
features: [async-iteration]
--- |
595 |
- |
| decl-cls.js |
---
description: Class declaration not allowed in statement position
esid: sec-for-statement
es6id: 13.7.4
negative:
phase: parse
type: SyntaxError
--- |
386 |
- |
| decl-const.js |
---
description: Lexical declaration (const) not allowed in statement position
esid: sec-for-statement
es6id: 13.7.4
negative:
phase: parse
type: SyntaxError
--- |
401 |
- |
| decl-fun.js |
---
description: Function declaration not allowed in statement position
esid: sec-for-statement
es6id: 13.7.4
negative:
phase: parse
type: SyntaxError
--- |
394 |
- |
| decl-gen.js |
---
description: Generator declaration not allowed in statement position
esid: sec-for-statement
es6id: 13.7.4
negative:
phase: parse
type: SyntaxError
features: [generators]
--- |
419 |
- |
| decl-let.js |
---
description: Lexical declaration (let) not allowed in statement position
esid: sec-for-statement
es6id: 13.7.4
negative:
phase: parse
type: SyntaxError
--- |
390 |
- |
| dstr-const-ary-init-iter-close.js |
---
description: Iterator is closed when not exhausted by pattern evaluation (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [Symbol.iterator, destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.5 Runtime Semantics: BindingInitialization
BindingPattern : ArrayBindingPattern
[...]
4. If iteratorRecord.[[done]] is false, return ? IteratorClose(iterator,
result).
[...]
--- |
1984 |
- |
| dstr-const-ary-init-iter-get-err.js |
---
description: Abrupt completion returned by GetIterator (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [Symbol.iterator, destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.5 Runtime Semantics: BindingInitialization
BindingPattern : ArrayBindingPattern
1. Let iterator be GetIterator(value).
2. ReturnIfAbrupt(iterator).
--- |
1675 |
- |
| dstr-const-ary-init-iter-no-close.js |
---
description: Iterator is not closed when exhausted by pattern evaluation (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [Symbol.iterator, destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.5 Runtime Semantics: BindingInitialization
BindingPattern : ArrayBindingPattern
[...]
4. If iteratorRecord.[[done]] is false, return ? IteratorClose(iterator,
result).
[...]
--- |
1986 |
- |
| dstr-const-ary-name-iter-val.js |
---
description: SingleNameBinding with normal value iteration (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
4. If iteratorRecord.[[done]] is false, then
a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
c. ReturnIfAbrupt(next).
d. If next is false, set iteratorRecord.[[done]] to true.
e. Else,
[...]
i. Let v be IteratorValue(next).
ii. If v is an abrupt completion, set
iteratorRecord.[[done]] to true.
iii. ReturnIfAbrupt(v).
5. If iteratorRecord.[[done]] is true, let v be undefined.
[...]
8. Return InitializeReferencedBinding(lhs, v).
--- |
2300 |
- |
| dstr-const-ary-ptrn-elem-ary-elem-init.js |
---
description: BindingElement with array binding pattern and initializer is used (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingElement : BindingPatternInitializer opt
[...]
2. If iteratorRecord.[[done]] is true, let v be undefined.
3. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be ? GetValue(defaultValue).
4. Return the result of performing BindingInitialization of BindingPattern
with v and environment as the arguments.
--- |
2073 |
- |
| dstr-const-ary-ptrn-elem-ary-elem-iter.js |
---
description: BindingElement with array binding pattern and initializer is not used (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingElement : BindingPatternInitializer opt
1. If iteratorRecord.[[done]] is false, then
a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
[...]
e. Else,
i. Let v be IteratorValue(next).
[...]
4. Return the result of performing BindingInitialization of BindingPattern
with v and environment as the arguments.
--- |
2044 |
- |
| dstr-const-ary-ptrn-elem-ary-elision-init.js |
---
description: BindingElement with array binding pattern and initializer is used (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [generators, destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingElement : BindingPatternInitializer opt
[...]
2. If iteratorRecord.[[done]] is true, let v be undefined.
3. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be ? GetValue(defaultValue).
4. Return the result of performing BindingInitialization of BindingPattern
with v and environment as the arguments.
--- |
2148 |
- |
| dstr-const-ary-ptrn-elem-ary-elision-iter.js |
---
description: BindingElement with array binding pattern and initializer is not used (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [generators, destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingElement : BindingPatternInitializer opt
1. If iteratorRecord.[[done]] is false, then
a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
[...]
e. Else,
i. Let v be IteratorValue(next).
[...]
4. Return the result of performing BindingInitialization of BindingPattern
with v and environment as the arguments.
--- |
2053 |
- |
| dstr-const-ary-ptrn-elem-ary-empty-init.js |
---
description: BindingElement with array binding pattern and initializer is used (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [generators, destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingElement : BindingPatternInitializer opt
[...]
2. If iteratorRecord.[[done]] is true, let v be undefined.
3. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be ? GetValue(defaultValue).
4. Return the result of performing BindingInitialization of BindingPattern
with v and environment as the arguments.
--- |
2190 |
- |
| dstr-const-ary-ptrn-elem-ary-empty-iter.js |
---
description: BindingElement with array binding pattern and initializer is not used (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingElement : BindingPatternInitializer opt
1. If iteratorRecord.[[done]] is false, then
a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
[...]
e. Else,
i. Let v be IteratorValue(next).
[...]
4. Return the result of performing BindingInitialization of BindingPattern
with v and environment as the arguments.
--- |
2031 |
- |
| dstr-const-ary-ptrn-elem-ary-rest-init.js |
---
description: BindingElement with array binding pattern and initializer is used (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingElement : BindingPatternInitializer opt
[...]
2. If iteratorRecord.[[done]] is true, let v be undefined.
3. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be ? GetValue(defaultValue).
4. Return the result of performing BindingInitialization of BindingPattern
with v and environment as the arguments.
--- |
2195 |
- |
| dstr-const-ary-ptrn-elem-ary-rest-iter.js |
---
description: BindingElement with array binding pattern and initializer is not used (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingElement : BindingPatternInitializer opt
1. If iteratorRecord.[[done]] is false, then
a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
[...]
e. Else,
i. Let v be IteratorValue(next).
[...]
4. Return the result of performing BindingInitialization of BindingPattern
with v and environment as the arguments.
--- |
2242 |
- |
| dstr-const-ary-ptrn-elem-ary-val-null.js |
---
description: Nested array destructuring with a null value (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingElement : BindingPattern Initializeropt
1. If iteratorRecord.[[done]] is false, then
[...]
e. Else
i. Let v be IteratorValue(next).
[...]
4. Return the result of performing BindingInitialization of BindingPattern
with v and environment as the arguments.
13.3.3.5 Runtime Semantics: BindingInitialization
BindingPattern : ArrayBindingPattern
1. Let iterator be GetIterator(value).
2. ReturnIfAbrupt(iterator).
--- |
1962 |
- |
| dstr-const-ary-ptrn-elem-id-init-exhausted.js |
---
description: Destructuring initializer with an exhausted iterator (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
5. If iteratorRecord.[[done]] is true, let v be undefined.
6. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be GetValue(defaultValue).
[...]
7. If environment is undefined, return PutValue(lhs, v).
8. Return InitializeReferencedBinding(lhs, v).
--- |
2000 |
- |
| dstr-const-ary-ptrn-elem-id-init-fn-name-arrow.js |
---
description: SingleNameBinding does assign name to arrow functions (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
6. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be GetValue(defaultValue).
c. ReturnIfAbrupt(v).
d. If IsAnonymousFunctionDefinition(Initializer) is true, then
[...]
7. If environment is undefined, return PutValue(lhs, v).
8. Return InitializeReferencedBinding(lhs, v).
--- |
2068 |
- |
| dstr-const-ary-ptrn-elem-id-init-fn-name-class.js |
---
description: SingleNameBinding assigns `name` to "anonymous" classes (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
6. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be GetValue(defaultValue).
c. ReturnIfAbrupt(v).
d. If IsAnonymousFunctionDefinition(Initializer) is true, then
[...]
7. If environment is undefined, return PutValue(lhs, v).
8. Return InitializeReferencedBinding(lhs, v).
--- |
2205 |
- |
| dstr-const-ary-ptrn-elem-id-init-fn-name-cover.js |
---
description: SingleNameBinding does assign name to "anonymous" functions "through" cover grammar (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
6. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be GetValue(defaultValue).
c. ReturnIfAbrupt(v).
d. If IsAnonymousFunctionDefinition(Initializer) is true, then
[...]
7. If environment is undefined, return PutValue(lhs, v).
8. Return InitializeReferencedBinding(lhs, v).
--- |
2181 |
- |
| dstr-const-ary-ptrn-elem-id-init-fn-name-fn.js |
---
description: SingleNameBinding assigns name to "anonymous" functions (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
6. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be GetValue(defaultValue).
c. ReturnIfAbrupt(v).
d. If IsAnonymousFunctionDefinition(Initializer) is true, then
[...]
7. If environment is undefined, return PutValue(lhs, v).
8. Return InitializeReferencedBinding(lhs, v).
--- |
2127 |
- |
| dstr-const-ary-ptrn-elem-id-init-fn-name-gen.js |
---
description: SingleNameBinding assigns name to "anonymous" generator functions (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [generators, destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
6. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be GetValue(defaultValue).
c. ReturnIfAbrupt(v).
d. If IsAnonymousFunctionDefinition(Initializer) is true, then
[...]
7. If environment is undefined, return PutValue(lhs, v).
8. Return InitializeReferencedBinding(lhs, v).
--- |
2159 |
- |
| dstr-const-ary-ptrn-elem-id-init-hole.js |
---
description: Destructuring initializer with a "hole" (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...] 6. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be GetValue(defaultValue).
[...]
7. If environment is undefined, return PutValue(lhs, v). 8. Return InitializeReferencedBinding(lhs, v).
--- |
1933 |
- |
| dstr-const-ary-ptrn-elem-id-init-skipped.js |
---
description: Destructuring initializer is not evaluated when value is not `undefined` (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
6. If Initializer is present and v is undefined, then
[...]
7. If environment is undefined, return PutValue(lhs, v).
8. Return InitializeReferencedBinding(lhs, v).
--- |
2093 |
- |
| dstr-const-ary-ptrn-elem-id-init-throws.js |
---
description: Destructuring initializer returns an abrupt completion (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
6. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be GetValue(defaultValue).
c. ReturnIfAbrupt(v).
--- |
1804 |
- |
| dstr-const-ary-ptrn-elem-id-init-undef.js |
---
description: Destructuring initializer with an undefined value (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
6. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be GetValue(defaultValue).
[...]
7. If environment is undefined, return PutValue(lhs, v).
8. Return InitializeReferencedBinding(lhs, v).
--- |
1939 |
- |
| dstr-const-ary-ptrn-elem-id-init-unresolvable.js |
---
description: Destructuring initializer is an unresolvable reference (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
6. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be GetValue(defaultValue).
c. ReturnIfAbrupt(v).
6.2.3.1 GetValue (V)
1. ReturnIfAbrupt(V).
2. If Type(V) is not Reference, return V.
3. Let base be GetBase(V).
4. If IsUnresolvableReference(V), throw a ReferenceError exception.
--- |
1984 |
- |
| dstr-const-ary-ptrn-elem-id-iter-complete.js |
---
description: SingleNameBinding when value iteration completes (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
4. If iteratorRecord.[[done]] is false, then
a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
c. ReturnIfAbrupt(next).
d. If next is false, set iteratorRecord.[[done]] to true.
e. Else,
[...]
5. If iteratorRecord.[[done]] is true, let v be undefined.
[...]
8. Return InitializeReferencedBinding(lhs, v).
--- |
2087 |
- |
| dstr-const-ary-ptrn-elem-id-iter-done.js |
---
description: SingleNameBinding when value iteration was completed previously (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
4. If iteratorRecord.[[done]] is false, then
[...]
5. If iteratorRecord.[[done]] is true, let v be undefined.
[...]
8. Return InitializeReferencedBinding(lhs, v).
--- |
1840 |
- |
| dstr-const-ary-ptrn-elem-id-iter-step-err.js |
---
description: Error forwarding when IteratorStep returns an abrupt completion (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [Symbol.iterator, destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
4. If iteratorRecord.[[done]] is false, then
a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
c. ReturnIfAbrupt(next).
--- |
1930 |
- |
| dstr-const-ary-ptrn-elem-id-iter-val-err.js |
---
description: Error forwarding when IteratorValue returns an abrupt completion (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [Symbol.iterator, destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
4. If iteratorRecord.[[done]] is false, then
a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
c. ReturnIfAbrupt(next).
d. If next is false, set iteratorRecord.[[done]] to true.
e. Else,
i. Let v be IteratorValue(next).
ii. If v is an abrupt completion, set iteratorRecord.[[done]] to
true.
iii. ReturnIfAbrupt(v).
--- |
2294 |
- |
| dstr-const-ary-ptrn-elem-id-iter-val.js |
---
description: SingleNameBinding when value iteration was completed previously (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
4. If iteratorRecord.[[done]] is false, then
a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
c. ReturnIfAbrupt(next).
d. If next is false, set iteratorRecord.[[done]] to true.
e. Else,
[...]
i. Let v be IteratorValue(next).
ii. If v is an abrupt completion, set
iteratorRecord.[[done]] to true.
iii. ReturnIfAbrupt(v).
5. If iteratorRecord.[[done]] is true, let v be undefined.
[...]
8. Return InitializeReferencedBinding(lhs, v).
--- |
2326 |
- |
| dstr-const-ary-ptrn-elem-obj-id-init.js |
---
description: BindingElement with object binding pattern and initializer is used (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingElement : BindingPatternInitializer opt
[...]
2. If iteratorRecord.[[done]] is true, let v be undefined.
3. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be ? GetValue(defaultValue).
4. Return the result of performing BindingInitialization of BindingPattern
with v and environment as the arguments.
--- |
2091 |
- |
| dstr-const-ary-ptrn-elem-obj-id.js |
---
description: BindingElement with object binding pattern and initializer is not used (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingElement : BindingPatternInitializer opt
[...]
2. If iteratorRecord.[[done]] is true, let v be undefined.
3. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be ? GetValue(defaultValue).
4. Return the result of performing BindingInitialization of BindingPattern
with v and environment as the arguments.
--- |
2113 |
- |
| dstr-const-ary-ptrn-elem-obj-prop-id-init.js |
---
description: BindingElement with object binding pattern and initializer is used (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingElement : BindingPatternInitializer opt
[...]
2. If iteratorRecord.[[done]] is true, let v be undefined.
3. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be ? GetValue(defaultValue).
4. Return the result of performing BindingInitialization of BindingPattern
with v and environment as the arguments.
--- |
2286 |
- |
| dstr-const-ary-ptrn-elem-obj-prop-id.js |
---
description: BindingElement with object binding pattern and initializer is not used (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingElement : BindingPatternInitializer opt
[...]
2. If iteratorRecord.[[done]] is true, let v be undefined.
3. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be ? GetValue(defaultValue).
4. Return the result of performing BindingInitialization of BindingPattern
with v and environment as the arguments.
--- |
2311 |
- |
| dstr-const-ary-ptrn-elem-obj-val-null.js |
---
description: Nested object destructuring with a null value (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingElement : BindingPattern Initializeropt
1. If iteratorRecord.[[done]] is false, then
[...]
e. Else
i. Let v be IteratorValue(next).
[...]
4. Return the result of performing BindingInitialization of BindingPattern
with v and environment as the arguments.
13.3.3.5 Runtime Semantics: BindingInitialization
BindingPattern : ObjectBindingPattern
1. Let valid be RequireObjectCoercible(value).
2. ReturnIfAbrupt(valid).
--- |
1971 |
- |
| dstr-const-ary-ptrn-elem-obj-val-undef.js |
---
description: Nested object destructuring with a value of `undefined` (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingElement : BindingPattern Initializeropt
1. If iteratorRecord.[[done]] is false, then
[...]
e. Else
i. Let v be IteratorValue(next).
[...]
4. Return the result of performing BindingInitialization of BindingPattern
with v and environment as the arguments.
13.3.3.5 Runtime Semantics: BindingInitialization
BindingPattern : ObjectBindingPattern
1. Let valid be RequireObjectCoercible(value).
2. ReturnIfAbrupt(valid).
--- |
1978 |
- |
| dstr-const-ary-ptrn-elision-exhausted.js |
---
description: Elision accepts exhausted iterator (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [generators, destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
ArrayBindingPattern : [ Elision ]
1. Return the result of performing
IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
as the argument.
12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
Elision : ,
1. If iteratorRecord.[[done]] is false, then
[...]
2. Return NormalCompletion(empty).
--- |
1957 |
- |
| dstr-const-ary-ptrn-elision-iter-close.js |
---
description: The iterator is properly consumed by the destructuring pattern (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [generators, destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
--- |
1555 |
- |
| dstr-const-ary-ptrn-elision-step-err.js |
---
description: Elision advances iterator and forwards abrupt completions (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [generators, destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
ArrayBindingPattern : [ Elision ]
1. Return the result of performing
IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
as the argument.
12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
Elision : ,
1. If iteratorRecord.[[done]] is false, then
a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
c. ReturnIfAbrupt(next).
--- |
2173 |
- |
| dstr-const-ary-ptrn-elision.js |
---
description: Elision advances iterator (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [generators, destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
ArrayBindingPattern : [ Elision ]
1. Return the result of performing
IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
as the argument.
12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
Elision : ,
1. If iteratorRecord.[[done]] is false, then
a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
c. ReturnIfAbrupt(next).
d. If next is false, set iteratorRecord.[[done]] to true.
2. Return NormalCompletion(empty).
--- |
2270 |
- |
| dstr-const-ary-ptrn-empty.js |
---
description: No iteration occurs for an "empty" array binding pattern (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [generators, destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
ArrayBindingPattern : [ ]
1. Return NormalCompletion(empty).
--- |
1718 |
- |
| dstr-const-ary-ptrn-rest-ary-elem.js |
---
description: Rest element containing an array BindingElementList pattern (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingRestElement : ... BindingPattern
1. Let A be ArrayCreate(0).
[...]
3. Repeat
[...]
b. If iteratorRecord.[[done]] is true, then
i. Return the result of performing BindingInitialization of
BindingPattern with A and environment as the arguments.
[...]
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
4. If iteratorRecord.[[done]] is false, then
a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
c. ReturnIfAbrupt(next).
d. If next is false, set iteratorRecord.[[done]] to true.
e. Else,
[...]
i. Let v be IteratorValue(next).
ii. If v is an abrupt completion, set
iteratorRecord.[[done]] to true.
iii. ReturnIfAbrupt(v).
5. If iteratorRecord.[[done]] is true, let v be undefined.
[...]
8. Return InitializeReferencedBinding(lhs, v).
--- |
2705 |
- |
| dstr-const-ary-ptrn-rest-ary-elision.js |
---
description: Rest element containing an elision (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [generators, destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingRestElement : ... BindingPattern
1. Let A be ArrayCreate(0).
[...]
3. Repeat
[...]
b. If iteratorRecord.[[done]] is true, then
i. Return the result of performing BindingInitialization of
BindingPattern with A and environment as the arguments.
[...]
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
ArrayBindingPattern : [ Elision ]
1. Return the result of performing
IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
as the argument.
12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
Elision : ,
1. If iteratorRecord.[[done]] is false, then
a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
c. ReturnIfAbrupt(next).
d. If next is false, set iteratorRecord.[[done]] to true.
2. Return NormalCompletion(empty).
--- |
2674 |
- |
| dstr-const-ary-ptrn-rest-ary-empty.js |
---
description: Rest element containing an "empty" array pattern (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [generators, destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingRestElement : ... BindingPattern
1. Let A be ArrayCreate(0).
[...]
3. Repeat
[...]
b. If iteratorRecord.[[done]] is true, then
i. Return the result of performing BindingInitialization of
BindingPattern with A and environment as the arguments.
[...]
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
ArrayBindingPattern : [ ]
1. Return NormalCompletion(empty).
--- |
2105 |
- |
| dstr-const-ary-ptrn-rest-ary-rest.js |
---
description: Rest element containing a rest element (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingRestElement : ... BindingPattern
1. Let A be ArrayCreate(0).
[...]
3. Repeat
[...]
b. If iteratorRecord.[[done]] is true, then
i. Return the result of performing BindingInitialization of
BindingPattern with A and environment as the arguments.
[...]
--- |
2056 |
- |
| dstr-const-ary-ptrn-rest-id-elision-next-err.js |
---
description: Rest element following elision elements (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [generators, destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
ArrayBindingPattern : [ Elisionopt BindingRestElement ]
1. If Elision is present, then
a. Let status be the result of performing
IteratorDestructuringAssignmentEvaluation of Elision with
iteratorRecord as the argument.
b. ReturnIfAbrupt(status).
2. Return the result of performing IteratorBindingInitialization for
BindingRestElement with iteratorRecord and environment as arguments.
--- |
1986 |
- |
| dstr-const-ary-ptrn-rest-id-elision.js |
---
description: Rest element following elision elements (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
ArrayBindingPattern : [ Elisionopt BindingRestElement ]
1. If Elision is present, then
a. Let status be the result of performing
IteratorDestructuringAssignmentEvaluation of Elision with
iteratorRecord as the argument.
b. ReturnIfAbrupt(status).
2. Return the result of performing IteratorBindingInitialization for
BindingRestElement with iteratorRecord and environment as arguments.
--- |
2183 |
- |
| dstr-const-ary-ptrn-rest-id-exhausted.js |
---
description: RestElement applied to an exhausted iterator (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [Symbol.iterator, destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingRestElement : ... BindingIdentifier
1. Let lhs be ResolveBinding(StringValue of BindingIdentifier,
environment).
2. ReturnIfAbrupt(lhs). 3. Let A be ArrayCreate(0). 4. Let n=0. 5. Repeat,
[...]
b. If iteratorRecord.[[done]] is true, then
i. If environment is undefined, return PutValue(lhs, A).
ii. Return InitializeReferencedBinding(lhs, A).
--- |
2022 |
- |
| dstr-const-ary-ptrn-rest-id-iter-close.js |
---
description: The iterator is properly consumed by the destructuring pattern (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [generators, destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
--- |
1558 |
- |
| dstr-const-ary-ptrn-rest-id-iter-step-err.js |
---
description: Error forwarding when IteratorStep returns an abrupt completion (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [generators, destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingRestElement : ... BindingIdentifier
1. Let lhs be ResolveBinding(StringValue of BindingIdentifier,
environment).
2. ReturnIfAbrupt(lhs). 3. Let A be ArrayCreate(0). 4. Let n=0. 5. Repeat,
a. If iteratorRecord.[[done]] is false,
i. Let next be IteratorStep(iteratorRecord.[[iterator]]).
ii. If next is an abrupt completion, set iteratorRecord.[[done]] to
true.
iii. ReturnIfAbrupt(next).
--- |
2214 |
- |
| dstr-const-ary-ptrn-rest-id-iter-val-err.js |
---
description: Error forwarding when IteratorValue returns an abrupt completion (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [Symbol.iterator, destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingRestElement : ... BindingIdentifier
1. Let lhs be ResolveBinding(StringValue of BindingIdentifier,
environment).
2. ReturnIfAbrupt(lhs). 3. Let A be ArrayCreate(0). 4. Let n=0. 5. Repeat,
[...]
c. Let nextValue be IteratorValue(next).
d. If nextValue is an abrupt completion, set iteratorRecord.[[done]] to
true.
e. ReturnIfAbrupt(nextValue).
--- |
2165 |
- |
| dstr-const-ary-ptrn-rest-id.js |
---
description: Lone rest element (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingRestElement : ... BindingIdentifier
[...] 3. Let A be ArrayCreate(0). [...] 5. Repeat
[...]
f. Let status be CreateDataProperty(A, ToString (n), nextValue).
[...]
--- |
1904 |
- |
| dstr-const-ary-ptrn-rest-init-ary.js |
---
description: Reset element (nested array pattern) does not support initializer (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
negative:
phase: parse
type: SyntaxError
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3 Destructuring Binding Patterns
ArrayBindingPattern[Yield] :
[ Elisionopt BindingRestElement[?Yield]opt ]
[ BindingElementList[?Yield] ]
[ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
--- |
1851 |
- |
| dstr-const-ary-ptrn-rest-init-id.js |
---
description: Reset element (identifier) does not support initializer (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
negative:
phase: parse
type: SyntaxError
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3 Destructuring Binding Patterns
ArrayBindingPattern[Yield] :
[ Elisionopt BindingRestElement[?Yield]opt ]
[ BindingElementList[?Yield] ]
[ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
--- |
1836 |
- |
| dstr-const-ary-ptrn-rest-init-obj.js |
---
description: Reset element (nested object pattern) does not support initializer (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
negative:
phase: parse
type: SyntaxError
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3 Destructuring Binding Patterns
ArrayBindingPattern[Yield] :
[ Elisionopt BindingRestElement[?Yield]opt ]
[ BindingElementList[?Yield] ]
[ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
--- |
1852 |
- |
| dstr-const-ary-ptrn-rest-not-final-ary.js |
---
description: Rest element (array binding pattern) may not be followed by any element (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
negative:
phase: parse
type: SyntaxError
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3 Destructuring Binding Patterns
ArrayBindingPattern[Yield] :
[ Elisionopt BindingRestElement[?Yield]opt ]
[ BindingElementList[?Yield] ]
[ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
--- |
1865 |
- |
| dstr-const-ary-ptrn-rest-not-final-id.js |
---
description: Rest element (identifier) may not be followed by any element (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
negative:
phase: parse
type: SyntaxError
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3 Destructuring Binding Patterns
ArrayBindingPattern[Yield] :
[ Elisionopt BindingRestElement[?Yield]opt ]
[ BindingElementList[?Yield] ]
[ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
--- |
1851 |
- |
| dstr-const-ary-ptrn-rest-not-final-obj.js |
---
description: Rest element (object binding pattern) may not be followed by any element (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
negative:
phase: parse
type: SyntaxError
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3 Destructuring Binding Patterns
ArrayBindingPattern[Yield] :
[ Elisionopt BindingRestElement[?Yield]opt ]
[ BindingElementList[?Yield] ]
[ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
--- |
1868 |
- |
| dstr-const-ary-ptrn-rest-obj-id.js |
---
description: Rest element containing an object binding pattern (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingRestElement : ... BindingPattern
1. Let A be ArrayCreate(0).
[...]
3. Repeat
[...]
b. If iteratorRecord.[[done]] is true, then
i. Return the result of performing BindingInitialization of
BindingPattern with A and environment as the arguments.
[...]
--- |
1896 |
- |
| dstr-const-ary-ptrn-rest-obj-prop-id.js |
---
description: Rest element containing an object binding pattern (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingRestElement : ... BindingPattern
1. Let A be ArrayCreate(0).
[...]
3. Repeat
[...]
b. If iteratorRecord.[[done]] is true, then
i. Return the result of performing BindingInitialization of
BindingPattern with A and environment as the arguments.
[...]
--- |
2143 |
- |
| dstr-const-obj-init-null.js |
---
description: Value specifed for object binding pattern must be object coercible (null) (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
Runtime Semantics: BindingInitialization
ObjectBindingPattern : { }
1. Return NormalCompletion(empty).
--- |
1538 |
- |
| dstr-const-obj-init-undefined.js |
---
description: Value specifed for object binding pattern must be object coercible (undefined) (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
Runtime Semantics: BindingInitialization
ObjectBindingPattern : { }
1. Return NormalCompletion(empty).
--- |
1553 |
- |
| dstr-const-obj-ptrn-empty.js |
---
description: No property access occurs for an "empty" object binding pattern (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
Runtime Semantics: BindingInitialization
ObjectBindingPattern : { }
1. Return NormalCompletion(empty).
--- |
1744 |
- |
| dstr-const-obj-ptrn-id-get-value-err.js |
---
description: Error thrown when accessing the corresponding property of the value object (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.7 Runtime Semantics: KeyedBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
4. Let v be GetV(value, propertyName).
5. ReturnIfAbrupt(v).
--- |
1777 |
- |
| dstr-const-obj-ptrn-id-init-fn-name-arrow.js |
---
description: SingleNameBinding assigns `name` to arrow functions (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.7 Runtime Semantics: KeyedBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
6. If Initializer is present and v is undefined, then
[...]
d. If IsAnonymousFunctionDefinition(Initializer) is true, then
i. Let hasNameProperty be HasOwnProperty(v, "name").
ii. ReturnIfAbrupt(hasNameProperty).
iii. If hasNameProperty is false, perform SetFunctionName(v,
bindingId).
--- |
2013 |
- |
| dstr-const-obj-ptrn-id-init-fn-name-class.js |
---
description: SingleNameBinding assigns `name` to "anonymous" classes (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.7 Runtime Semantics: KeyedBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
6. If Initializer is present and v is undefined, then
[...]
d. If IsAnonymousFunctionDefinition(Initializer) is true, then
i. Let hasNameProperty be HasOwnProperty(v, "name").
ii. ReturnIfAbrupt(hasNameProperty).
iii. If hasNameProperty is false, perform SetFunctionName(v,
bindingId).
--- |
2152 |
- |
| dstr-const-obj-ptrn-id-init-fn-name-cover.js |
---
description: SingleNameBinding assigns `name` to "anonymous" functions "through" cover grammar (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.7 Runtime Semantics: KeyedBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
6. If Initializer is present and v is undefined, then
[...]
d. If IsAnonymousFunctionDefinition(Initializer) is true, then
i. Let hasNameProperty be HasOwnProperty(v, "name").
ii. ReturnIfAbrupt(hasNameProperty).
iii. If hasNameProperty is false, perform SetFunctionName(v,
bindingId).
--- |
2127 |
- |
| dstr-const-obj-ptrn-id-init-fn-name-fn.js |
---
description: SingleNameBinding assigns name to "anonymous" functions (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.7 Runtime Semantics: KeyedBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
6. If Initializer is present and v is undefined, then
[...]
d. If IsAnonymousFunctionDefinition(Initializer) is true, then
i. Let hasNameProperty be HasOwnProperty(v, "name").
ii. ReturnIfAbrupt(hasNameProperty).
iii. If hasNameProperty is false, perform SetFunctionName(v,
bindingId).
--- |
2074 |
- |
| dstr-const-obj-ptrn-id-init-fn-name-gen.js |
---
description: SingleNameBinding assigns name to "anonymous" generator functions (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [generators, destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.7 Runtime Semantics: KeyedBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
6. If Initializer is present and v is undefined, then
[...]
d. If IsAnonymousFunctionDefinition(Initializer) is true, then
i. Let hasNameProperty be HasOwnProperty(v, "name").
ii. ReturnIfAbrupt(hasNameProperty).
iii. If hasNameProperty is false, perform SetFunctionName(v,
bindingId).
--- |
2106 |
- |
| dstr-const-obj-ptrn-id-init-skipped.js |
---
description: Destructuring initializer is not evaluated when value is not `undefined` (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.7 Runtime Semantics: KeyedBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
6. If Initializer is present and v is undefined, then
[...]
[...]
--- |
1999 |
- |
| dstr-const-obj-ptrn-id-init-throws.js |
---
description: Error thrown when evaluating the initializer (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.7 Runtime Semantics: KeyedBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
6. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be GetValue(defaultValue).
c. ReturnIfAbrupt(v).
--- |
1796 |
- |
| dstr-const-obj-ptrn-id-init-unresolvable.js |
---
description: Destructuring initializer is an unresolvable reference (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.7 Runtime Semantics: KeyedBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
6. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be GetValue(defaultValue).
c. ReturnIfAbrupt(v).
6.2.3.1 GetValue (V)
1. ReturnIfAbrupt(V).
2. If Type(V) is not Reference, return V.
3. Let base be GetBase(V).
4. If IsUnresolvableReference(V), throw a ReferenceError exception.
--- |
1976 |
- |
| dstr-const-obj-ptrn-id-trailing-comma.js |
---
description: Trailing comma is allowed following BindingPropertyList (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3 Destructuring Binding Patterns
ObjectBindingPattern[Yield] :
{ }
{ BindingPropertyList[?Yield] }
{ BindingPropertyList[?Yield] , }
--- |
1686 |
- |
| dstr-const-obj-ptrn-list-err.js |
---
description: Binding property list evaluation is interrupted by an abrupt completion (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.5 Runtime Semantics: BindingInitialization
BindingPropertyList : BindingPropertyList , BindingProperty
1. Let status be the result of performing BindingInitialization for
BindingPropertyList using value and environment as arguments.
2. ReturnIfAbrupt(status).
--- |
1854 |
- |
| dstr-const-obj-ptrn-prop-ary-init.js |
---
description: Object binding pattern with "nested" array binding pattern using initializer (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.7 Runtime Semantics: KeyedBindingInitialization
[...]
3. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be GetValue(defaultValue).
c. ReturnIfAbrupt(v).
4. Return the result of performing BindingInitialization for BindingPattern
passing v and environment as arguments.
--- |
2052 |
- |
| dstr-const-obj-ptrn-prop-ary-trailing-comma.js |
---
description: Trailing comma is allowed following BindingPropertyList (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3 Destructuring Binding Patterns
ObjectBindingPattern[Yield] :
{ }
{ BindingPropertyList[?Yield] }
{ BindingPropertyList[?Yield] , }
--- |
1698 |
- |
| dstr-const-obj-ptrn-prop-ary-value-null.js |
---
description: Object binding pattern with "nested" array binding pattern taking the `null` value (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.7 Runtime Semantics: KeyedBindingInitialization
[...]
3. If Initializer is present and v is undefined, then
[...]
4. Return the result of performing BindingInitialization for BindingPattern
passing v and environment as arguments.
--- |
1746 |
- |
| dstr-const-obj-ptrn-prop-ary.js |
---
description: Object binding pattern with "nested" array binding pattern not using initializer (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.7 Runtime Semantics: KeyedBindingInitialization
[...]
3. If Initializer is present and v is undefined, then
[...]
4. Return the result of performing BindingInitialization for BindingPattern
passing v and environment as arguments.
--- |
1961 |
- |
| dstr-const-obj-ptrn-prop-eval-err.js |
---
description: Evaluation of property name returns an abrupt completion (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.5 Runtime Semantics: BindingInitialization
BindingProperty : PropertyName : BindingElement
1. Let P be the result of evaluating PropertyName
2. ReturnIfAbrupt(P).
--- |
1669 |
- |
| dstr-const-obj-ptrn-prop-id-get-value-err.js |
---
description: Error thrown when accessing the corresponding property of the value object (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.7 Runtime Semantics: KeyedBindingInitialization
BindingElement : BindingPattern Initializeropt
1. Let v be GetV(value, propertyName).
2. ReturnIfAbrupt(v).
--- |
1847 |
- |
| dstr-const-obj-ptrn-prop-id-init-skipped.js |
---
description: Destructuring initializer is not evaluated when value is not `undefined` (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.7 Runtime Semantics: KeyedBindingInitialization
BindingElement : BindingPattern Initializeropt
[...]
3. If Initializer is present and v is undefined, then
[...]
--- |
2230 |
- |
| dstr-const-obj-ptrn-prop-id-init-throws.js |
---
description: Error thrown when evaluating the initializer (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.7 Runtime Semantics: KeyedBindingInitialization
BindingElement : BindingPattern Initializeropt
[...]
3. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be GetValue(defaultValue).
c. ReturnIfAbrupt(v).
--- |
1797 |
- |
| dstr-const-obj-ptrn-prop-id-init-unresolvable.js |
---
description: Destructuring initializer is an unresolvable reference (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.7 Runtime Semantics: KeyedBindingInitialization
BindingElement : BindingPattern Initializeropt
[...]
3. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be GetValue(defaultValue).
c. ReturnIfAbrupt(v).
6.2.3.1 GetValue (V)
1. ReturnIfAbrupt(V).
2. If Type(V) is not Reference, return V.
3. Let base be GetBase(V).
4. If IsUnresolvableReference(V), throw a ReferenceError exception.
--- |
1978 |
- |
| dstr-const-obj-ptrn-prop-id-init.js |
---
description: Binding as specified via property name, identifier, and initializer (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.7 Runtime Semantics: KeyedBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
8. Return InitializeReferencedBinding(lhs, v).
--- |
1760 |
- |
| dstr-const-obj-ptrn-prop-id-trailing-comma.js |
---
description: Trailing comma is allowed following BindingPropertyList (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3 Destructuring Binding Patterns
ObjectBindingPattern[Yield] :
{ }
{ BindingPropertyList[?Yield] }
{ BindingPropertyList[?Yield] , }
--- |
1753 |
- |
| dstr-const-obj-ptrn-prop-id.js |
---
description: Binding as specified via property name and identifier (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.7 Runtime Semantics: KeyedBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
8. Return InitializeReferencedBinding(lhs, v).
--- |
1742 |
- |
| dstr-const-obj-ptrn-prop-obj-init.js |
---
description: Object binding pattern with "nested" object binding pattern using initializer (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.7 Runtime Semantics: KeyedBindingInitialization
[...]
3. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be GetValue(defaultValue).
c. ReturnIfAbrupt(v).
4. Return the result of performing BindingInitialization for BindingPattern
passing v and environment as arguments.
--- |
2080 |
- |
| dstr-const-obj-ptrn-prop-obj-value-null.js |
---
description: Object binding pattern with "nested" object binding pattern taking the `null` value (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.7 Runtime Semantics: KeyedBindingInitialization
[...]
3. If Initializer is present and v is undefined, then
[...]
4. Return the result of performing BindingInitialization for BindingPattern
passing v and environment as arguments.
--- |
1760 |
- |
| dstr-const-obj-ptrn-prop-obj-value-undef.js |
---
description: Object binding pattern with "nested" object binding pattern taking the `null` value (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.7 Runtime Semantics: KeyedBindingInitialization
[...]
3. If Initializer is present and v is undefined, then
[...]
4. Return the result of performing BindingInitialization for BindingPattern
passing v and environment as arguments.
--- |
1742 |
- |
| dstr-const-obj-ptrn-prop-obj.js |
---
description: Object binding pattern with "nested" object binding pattern not using initializer (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.7 Runtime Semantics: KeyedBindingInitialization
[...]
3. If Initializer is present and v is undefined, then
[...]
4. Return the result of performing BindingInitialization for BindingPattern
passing v and environment as arguments.
--- |
1981 |
- |
| dstr-const-obj-ptrn-rest-getter.js |
---
description: Getter is called when obj is being deconstructed to a rest Object (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [object-rest, destructuring-binding]
flags: [generated]
includes: [propertyHelper.js]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
--- |
1717 |
- |
| dstr-const-obj-ptrn-rest-skip-non-enumerable.js |
---
description: Rest object doesn't contain non-enumerable properties (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [object-rest, destructuring-binding]
flags: [generated]
includes: [propertyHelper.js]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
--- |
1887 |
- |
| dstr-const-obj-ptrn-rest-val-obj.js |
---
description: Rest object contains just unextracted data (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [object-rest, destructuring-binding]
flags: [generated]
includes: [propertyHelper.js]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
--- |
1846 |
- |
| dstr-let-ary-init-iter-close.js |
---
description: Iterator is closed when not exhausted by pattern evaluation (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [Symbol.iterator, destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.5 Runtime Semantics: BindingInitialization
BindingPattern : ArrayBindingPattern
[...]
4. If iteratorRecord.[[done]] is false, return ? IteratorClose(iterator,
result).
[...]
--- |
1980 |
- |
| dstr-let-ary-init-iter-get-err.js |
---
description: Abrupt completion returned by GetIterator (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [Symbol.iterator, destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.5 Runtime Semantics: BindingInitialization
BindingPattern : ArrayBindingPattern
1. Let iterator be GetIterator(value).
2. ReturnIfAbrupt(iterator).
--- |
1671 |
- |
| dstr-let-ary-init-iter-no-close.js |
---
description: Iterator is not closed when exhausted by pattern evaluation (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [Symbol.iterator, destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.5 Runtime Semantics: BindingInitialization
BindingPattern : ArrayBindingPattern
[...]
4. If iteratorRecord.[[done]] is false, return ? IteratorClose(iterator,
result).
[...]
--- |
1982 |
- |
| dstr-let-ary-name-iter-val.js |
---
description: SingleNameBinding with normal value iteration (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
4. If iteratorRecord.[[done]] is false, then
a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
c. ReturnIfAbrupt(next).
d. If next is false, set iteratorRecord.[[done]] to true.
e. Else,
[...]
i. Let v be IteratorValue(next).
ii. If v is an abrupt completion, set
iteratorRecord.[[done]] to true.
iii. ReturnIfAbrupt(v).
5. If iteratorRecord.[[done]] is true, let v be undefined.
[...]
8. Return InitializeReferencedBinding(lhs, v).
--- |
2296 |
- |
| dstr-let-ary-ptrn-elem-ary-elem-init.js |
---
description: BindingElement with array binding pattern and initializer is used (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingElement : BindingPatternInitializer opt
[...]
2. If iteratorRecord.[[done]] is true, let v be undefined.
3. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be ? GetValue(defaultValue).
4. Return the result of performing BindingInitialization of BindingPattern
with v and environment as the arguments.
--- |
2069 |
- |
| dstr-let-ary-ptrn-elem-ary-elem-iter.js |
---
description: BindingElement with array binding pattern and initializer is not used (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingElement : BindingPatternInitializer opt
1. If iteratorRecord.[[done]] is false, then
a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
[...]
e. Else,
i. Let v be IteratorValue(next).
[...]
4. Return the result of performing BindingInitialization of BindingPattern
with v and environment as the arguments.
--- |
2040 |
- |
| dstr-let-ary-ptrn-elem-ary-elision-init.js |
---
description: BindingElement with array binding pattern and initializer is used (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [generators, destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingElement : BindingPatternInitializer opt
[...]
2. If iteratorRecord.[[done]] is true, let v be undefined.
3. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be ? GetValue(defaultValue).
4. Return the result of performing BindingInitialization of BindingPattern
with v and environment as the arguments.
--- |
2144 |
- |
| dstr-let-ary-ptrn-elem-ary-elision-iter.js |
---
description: BindingElement with array binding pattern and initializer is not used (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [generators, destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingElement : BindingPatternInitializer opt
1. If iteratorRecord.[[done]] is false, then
a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
[...]
e. Else,
i. Let v be IteratorValue(next).
[...]
4. Return the result of performing BindingInitialization of BindingPattern
with v and environment as the arguments.
--- |
2049 |
- |
| dstr-let-ary-ptrn-elem-ary-empty-init.js |
---
description: BindingElement with array binding pattern and initializer is used (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [generators, destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingElement : BindingPatternInitializer opt
[...]
2. If iteratorRecord.[[done]] is true, let v be undefined.
3. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be ? GetValue(defaultValue).
4. Return the result of performing BindingInitialization of BindingPattern
with v and environment as the arguments.
--- |
2186 |
- |
| dstr-let-ary-ptrn-elem-ary-empty-iter.js |
---
description: BindingElement with array binding pattern and initializer is not used (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingElement : BindingPatternInitializer opt
1. If iteratorRecord.[[done]] is false, then
a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
[...]
e. Else,
i. Let v be IteratorValue(next).
[...]
4. Return the result of performing BindingInitialization of BindingPattern
with v and environment as the arguments.
--- |
2027 |
- |
| dstr-let-ary-ptrn-elem-ary-rest-init.js |
---
description: BindingElement with array binding pattern and initializer is used (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingElement : BindingPatternInitializer opt
[...]
2. If iteratorRecord.[[done]] is true, let v be undefined.
3. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be ? GetValue(defaultValue).
4. Return the result of performing BindingInitialization of BindingPattern
with v and environment as the arguments.
--- |
2191 |
- |
| dstr-let-ary-ptrn-elem-ary-rest-iter.js |
---
description: BindingElement with array binding pattern and initializer is not used (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingElement : BindingPatternInitializer opt
1. If iteratorRecord.[[done]] is false, then
a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
[...]
e. Else,
i. Let v be IteratorValue(next).
[...]
4. Return the result of performing BindingInitialization of BindingPattern
with v and environment as the arguments.
--- |
2238 |
- |
| dstr-let-ary-ptrn-elem-ary-val-null.js |
---
description: Nested array destructuring with a null value (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingElement : BindingPattern Initializeropt
1. If iteratorRecord.[[done]] is false, then
[...]
e. Else
i. Let v be IteratorValue(next).
[...]
4. Return the result of performing BindingInitialization of BindingPattern
with v and environment as the arguments.
13.3.3.5 Runtime Semantics: BindingInitialization
BindingPattern : ArrayBindingPattern
1. Let iterator be GetIterator(value).
2. ReturnIfAbrupt(iterator).
--- |
1958 |
- |
| dstr-let-ary-ptrn-elem-id-init-exhausted.js |
---
description: Destructuring initializer with an exhausted iterator (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
5. If iteratorRecord.[[done]] is true, let v be undefined.
6. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be GetValue(defaultValue).
[...]
7. If environment is undefined, return PutValue(lhs, v).
8. Return InitializeReferencedBinding(lhs, v).
--- |
1996 |
- |
| dstr-let-ary-ptrn-elem-id-init-fn-name-arrow.js |
---
description: SingleNameBinding does assign name to arrow functions (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
6. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be GetValue(defaultValue).
c. ReturnIfAbrupt(v).
d. If IsAnonymousFunctionDefinition(Initializer) is true, then
[...]
7. If environment is undefined, return PutValue(lhs, v).
8. Return InitializeReferencedBinding(lhs, v).
--- |
2064 |
- |
| dstr-let-ary-ptrn-elem-id-init-fn-name-class.js |
---
description: SingleNameBinding assigns `name` to "anonymous" classes (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
6. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be GetValue(defaultValue).
c. ReturnIfAbrupt(v).
d. If IsAnonymousFunctionDefinition(Initializer) is true, then
[...]
7. If environment is undefined, return PutValue(lhs, v).
8. Return InitializeReferencedBinding(lhs, v).
--- |
2201 |
- |
| dstr-let-ary-ptrn-elem-id-init-fn-name-cover.js |
---
description: SingleNameBinding does assign name to "anonymous" functions "through" cover grammar (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
6. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be GetValue(defaultValue).
c. ReturnIfAbrupt(v).
d. If IsAnonymousFunctionDefinition(Initializer) is true, then
[...]
7. If environment is undefined, return PutValue(lhs, v).
8. Return InitializeReferencedBinding(lhs, v).
--- |
2177 |
- |
| dstr-let-ary-ptrn-elem-id-init-fn-name-fn.js |
---
description: SingleNameBinding assigns name to "anonymous" functions (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
6. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be GetValue(defaultValue).
c. ReturnIfAbrupt(v).
d. If IsAnonymousFunctionDefinition(Initializer) is true, then
[...]
7. If environment is undefined, return PutValue(lhs, v).
8. Return InitializeReferencedBinding(lhs, v).
--- |
2123 |
- |
| dstr-let-ary-ptrn-elem-id-init-fn-name-gen.js |
---
description: SingleNameBinding assigns name to "anonymous" generator functions (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [generators, destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
6. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be GetValue(defaultValue).
c. ReturnIfAbrupt(v).
d. If IsAnonymousFunctionDefinition(Initializer) is true, then
[...]
7. If environment is undefined, return PutValue(lhs, v).
8. Return InitializeReferencedBinding(lhs, v).
--- |
2155 |
- |
| dstr-let-ary-ptrn-elem-id-init-hole.js |
---
description: Destructuring initializer with a "hole" (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...] 6. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be GetValue(defaultValue).
[...]
7. If environment is undefined, return PutValue(lhs, v). 8. Return InitializeReferencedBinding(lhs, v).
--- |
1929 |
- |
| dstr-let-ary-ptrn-elem-id-init-skipped.js |
---
description: Destructuring initializer is not evaluated when value is not `undefined` (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
6. If Initializer is present and v is undefined, then
[...]
7. If environment is undefined, return PutValue(lhs, v).
8. Return InitializeReferencedBinding(lhs, v).
--- |
2089 |
- |
| dstr-let-ary-ptrn-elem-id-init-throws.js |
---
description: Destructuring initializer returns an abrupt completion (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
6. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be GetValue(defaultValue).
c. ReturnIfAbrupt(v).
--- |
1800 |
- |
| dstr-let-ary-ptrn-elem-id-init-undef.js |
---
description: Destructuring initializer with an undefined value (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
6. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be GetValue(defaultValue).
[...]
7. If environment is undefined, return PutValue(lhs, v).
8. Return InitializeReferencedBinding(lhs, v).
--- |
1935 |
- |
| dstr-let-ary-ptrn-elem-id-init-unresolvable.js |
---
description: Destructuring initializer is an unresolvable reference (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
6. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be GetValue(defaultValue).
c. ReturnIfAbrupt(v).
6.2.3.1 GetValue (V)
1. ReturnIfAbrupt(V).
2. If Type(V) is not Reference, return V.
3. Let base be GetBase(V).
4. If IsUnresolvableReference(V), throw a ReferenceError exception.
--- |
1980 |
- |
| dstr-let-ary-ptrn-elem-id-iter-complete.js |
---
description: SingleNameBinding when value iteration completes (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
4. If iteratorRecord.[[done]] is false, then
a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
c. ReturnIfAbrupt(next).
d. If next is false, set iteratorRecord.[[done]] to true.
e. Else,
[...]
5. If iteratorRecord.[[done]] is true, let v be undefined.
[...]
8. Return InitializeReferencedBinding(lhs, v).
--- |
2083 |
- |
| dstr-let-ary-ptrn-elem-id-iter-done.js |
---
description: SingleNameBinding when value iteration was completed previously (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
4. If iteratorRecord.[[done]] is false, then
[...]
5. If iteratorRecord.[[done]] is true, let v be undefined.
[...]
8. Return InitializeReferencedBinding(lhs, v).
--- |
1836 |
- |
| dstr-let-ary-ptrn-elem-id-iter-step-err.js |
---
description: Error forwarding when IteratorStep returns an abrupt completion (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [Symbol.iterator, destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
4. If iteratorRecord.[[done]] is false, then
a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
c. ReturnIfAbrupt(next).
--- |
1926 |
- |
| dstr-let-ary-ptrn-elem-id-iter-val-err.js |
---
description: Error forwarding when IteratorValue returns an abrupt completion (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [Symbol.iterator, destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
4. If iteratorRecord.[[done]] is false, then
a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
c. ReturnIfAbrupt(next).
d. If next is false, set iteratorRecord.[[done]] to true.
e. Else,
i. Let v be IteratorValue(next).
ii. If v is an abrupt completion, set iteratorRecord.[[done]] to
true.
iii. ReturnIfAbrupt(v).
--- |
2290 |
- |
| dstr-let-ary-ptrn-elem-id-iter-val.js |
---
description: SingleNameBinding when value iteration was completed previously (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
4. If iteratorRecord.[[done]] is false, then
a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
c. ReturnIfAbrupt(next).
d. If next is false, set iteratorRecord.[[done]] to true.
e. Else,
[...]
i. Let v be IteratorValue(next).
ii. If v is an abrupt completion, set
iteratorRecord.[[done]] to true.
iii. ReturnIfAbrupt(v).
5. If iteratorRecord.[[done]] is true, let v be undefined.
[...]
8. Return InitializeReferencedBinding(lhs, v).
--- |
2322 |
- |
| dstr-let-ary-ptrn-elem-obj-id-init.js |
---
description: BindingElement with object binding pattern and initializer is used (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingElement : BindingPatternInitializer opt
[...]
2. If iteratorRecord.[[done]] is true, let v be undefined.
3. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be ? GetValue(defaultValue).
4. Return the result of performing BindingInitialization of BindingPattern
with v and environment as the arguments.
--- |
2087 |
- |
| dstr-let-ary-ptrn-elem-obj-id.js |
---
description: BindingElement with object binding pattern and initializer is not used (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingElement : BindingPatternInitializer opt
[...]
2. If iteratorRecord.[[done]] is true, let v be undefined.
3. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be ? GetValue(defaultValue).
4. Return the result of performing BindingInitialization of BindingPattern
with v and environment as the arguments.
--- |
2109 |
- |
| dstr-let-ary-ptrn-elem-obj-prop-id-init.js |
---
description: BindingElement with object binding pattern and initializer is used (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingElement : BindingPatternInitializer opt
[...]
2. If iteratorRecord.[[done]] is true, let v be undefined.
3. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be ? GetValue(defaultValue).
4. Return the result of performing BindingInitialization of BindingPattern
with v and environment as the arguments.
--- |
2282 |
- |
| dstr-let-ary-ptrn-elem-obj-prop-id.js |
---
description: BindingElement with object binding pattern and initializer is not used (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingElement : BindingPatternInitializer opt
[...]
2. If iteratorRecord.[[done]] is true, let v be undefined.
3. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be ? GetValue(defaultValue).
4. Return the result of performing BindingInitialization of BindingPattern
with v and environment as the arguments.
--- |
2307 |
- |
| dstr-let-ary-ptrn-elem-obj-val-null.js |
---
description: Nested object destructuring with a null value (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingElement : BindingPattern Initializeropt
1. If iteratorRecord.[[done]] is false, then
[...]
e. Else
i. Let v be IteratorValue(next).
[...]
4. Return the result of performing BindingInitialization of BindingPattern
with v and environment as the arguments.
13.3.3.5 Runtime Semantics: BindingInitialization
BindingPattern : ObjectBindingPattern
1. Let valid be RequireObjectCoercible(value).
2. ReturnIfAbrupt(valid).
--- |
1967 |
- |
| dstr-let-ary-ptrn-elem-obj-val-undef.js |
---
description: Nested object destructuring with a value of `undefined` (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingElement : BindingPattern Initializeropt
1. If iteratorRecord.[[done]] is false, then
[...]
e. Else
i. Let v be IteratorValue(next).
[...]
4. Return the result of performing BindingInitialization of BindingPattern
with v and environment as the arguments.
13.3.3.5 Runtime Semantics: BindingInitialization
BindingPattern : ObjectBindingPattern
1. Let valid be RequireObjectCoercible(value).
2. ReturnIfAbrupt(valid).
--- |
1974 |
- |
| dstr-let-ary-ptrn-elision-exhausted.js |
---
description: Elision accepts exhausted iterator (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [generators, destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
ArrayBindingPattern : [ Elision ]
1. Return the result of performing
IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
as the argument.
12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
Elision : ,
1. If iteratorRecord.[[done]] is false, then
[...]
2. Return NormalCompletion(empty).
--- |
1953 |
- |
| dstr-let-ary-ptrn-elision-iter-close.js |
---
description: The iterator is properly consumed by the destructuring pattern (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [generators, destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
--- |
1551 |
- |
| dstr-let-ary-ptrn-elision-step-err.js |
---
description: Elision advances iterator and forwards abrupt completions (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [generators, destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
ArrayBindingPattern : [ Elision ]
1. Return the result of performing
IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
as the argument.
12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
Elision : ,
1. If iteratorRecord.[[done]] is false, then
a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
c. ReturnIfAbrupt(next).
--- |
2169 |
- |
| dstr-let-ary-ptrn-elision.js |
---
description: Elision advances iterator (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [generators, destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
ArrayBindingPattern : [ Elision ]
1. Return the result of performing
IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
as the argument.
12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
Elision : ,
1. If iteratorRecord.[[done]] is false, then
a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
c. ReturnIfAbrupt(next).
d. If next is false, set iteratorRecord.[[done]] to true.
2. Return NormalCompletion(empty).
--- |
2266 |
- |
| dstr-let-ary-ptrn-empty.js |
---
description: No iteration occurs for an "empty" array binding pattern (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [generators, destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
ArrayBindingPattern : [ ]
1. Return NormalCompletion(empty).
--- |
1714 |
- |
| dstr-let-ary-ptrn-rest-ary-elem.js |
---
description: Rest element containing an array BindingElementList pattern (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingRestElement : ... BindingPattern
1. Let A be ArrayCreate(0).
[...]
3. Repeat
[...]
b. If iteratorRecord.[[done]] is true, then
i. Return the result of performing BindingInitialization of
BindingPattern with A and environment as the arguments.
[...]
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
4. If iteratorRecord.[[done]] is false, then
a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
c. ReturnIfAbrupt(next).
d. If next is false, set iteratorRecord.[[done]] to true.
e. Else,
[...]
i. Let v be IteratorValue(next).
ii. If v is an abrupt completion, set
iteratorRecord.[[done]] to true.
iii. ReturnIfAbrupt(v).
5. If iteratorRecord.[[done]] is true, let v be undefined.
[...]
8. Return InitializeReferencedBinding(lhs, v).
--- |
2701 |
- |
| dstr-let-ary-ptrn-rest-ary-elision.js |
---
description: Rest element containing an elision (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [generators, destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingRestElement : ... BindingPattern
1. Let A be ArrayCreate(0).
[...]
3. Repeat
[...]
b. If iteratorRecord.[[done]] is true, then
i. Return the result of performing BindingInitialization of
BindingPattern with A and environment as the arguments.
[...]
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
ArrayBindingPattern : [ Elision ]
1. Return the result of performing
IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
as the argument.
12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
Elision : ,
1. If iteratorRecord.[[done]] is false, then
a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
c. ReturnIfAbrupt(next).
d. If next is false, set iteratorRecord.[[done]] to true.
2. Return NormalCompletion(empty).
--- |
2670 |
- |
| dstr-let-ary-ptrn-rest-ary-empty.js |
---
description: Rest element containing an "empty" array pattern (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [generators, destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingRestElement : ... BindingPattern
1. Let A be ArrayCreate(0).
[...]
3. Repeat
[...]
b. If iteratorRecord.[[done]] is true, then
i. Return the result of performing BindingInitialization of
BindingPattern with A and environment as the arguments.
[...]
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
ArrayBindingPattern : [ ]
1. Return NormalCompletion(empty).
--- |
2101 |
- |
| dstr-let-ary-ptrn-rest-ary-rest.js |
---
description: Rest element containing a rest element (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingRestElement : ... BindingPattern
1. Let A be ArrayCreate(0).
[...]
3. Repeat
[...]
b. If iteratorRecord.[[done]] is true, then
i. Return the result of performing BindingInitialization of
BindingPattern with A and environment as the arguments.
[...]
--- |
2052 |
- |
| dstr-let-ary-ptrn-rest-id-elision-next-err.js |
---
description: Rest element following elision elements (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [generators, destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
ArrayBindingPattern : [ Elisionopt BindingRestElement ]
1. If Elision is present, then
a. Let status be the result of performing
IteratorDestructuringAssignmentEvaluation of Elision with
iteratorRecord as the argument.
b. ReturnIfAbrupt(status).
2. Return the result of performing IteratorBindingInitialization for
BindingRestElement with iteratorRecord and environment as arguments.
--- |
1982 |
- |
| dstr-let-ary-ptrn-rest-id-elision.js |
---
description: Rest element following elision elements (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
ArrayBindingPattern : [ Elisionopt BindingRestElement ]
1. If Elision is present, then
a. Let status be the result of performing
IteratorDestructuringAssignmentEvaluation of Elision with
iteratorRecord as the argument.
b. ReturnIfAbrupt(status).
2. Return the result of performing IteratorBindingInitialization for
BindingRestElement with iteratorRecord and environment as arguments.
--- |
2179 |
- |
| dstr-let-ary-ptrn-rest-id-exhausted.js |
---
description: RestElement applied to an exhausted iterator (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [Symbol.iterator, destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingRestElement : ... BindingIdentifier
1. Let lhs be ResolveBinding(StringValue of BindingIdentifier,
environment).
2. ReturnIfAbrupt(lhs). 3. Let A be ArrayCreate(0). 4. Let n=0. 5. Repeat,
[...]
b. If iteratorRecord.[[done]] is true, then
i. If environment is undefined, return PutValue(lhs, A).
ii. Return InitializeReferencedBinding(lhs, A).
--- |
2018 |
- |
| dstr-let-ary-ptrn-rest-id-iter-close.js |
---
description: The iterator is properly consumed by the destructuring pattern (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [generators, destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
--- |
1554 |
- |
| dstr-let-ary-ptrn-rest-id-iter-step-err.js |
---
description: Error forwarding when IteratorStep returns an abrupt completion (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [generators, destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingRestElement : ... BindingIdentifier
1. Let lhs be ResolveBinding(StringValue of BindingIdentifier,
environment).
2. ReturnIfAbrupt(lhs). 3. Let A be ArrayCreate(0). 4. Let n=0. 5. Repeat,
a. If iteratorRecord.[[done]] is false,
i. Let next be IteratorStep(iteratorRecord.[[iterator]]).
ii. If next is an abrupt completion, set iteratorRecord.[[done]] to
true.
iii. ReturnIfAbrupt(next).
--- |
2210 |
- |
| dstr-let-ary-ptrn-rest-id-iter-val-err.js |
---
description: Error forwarding when IteratorValue returns an abrupt completion (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [Symbol.iterator, destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingRestElement : ... BindingIdentifier
1. Let lhs be ResolveBinding(StringValue of BindingIdentifier,
environment).
2. ReturnIfAbrupt(lhs). 3. Let A be ArrayCreate(0). 4. Let n=0. 5. Repeat,
[...]
c. Let nextValue be IteratorValue(next).
d. If nextValue is an abrupt completion, set iteratorRecord.[[done]] to
true.
e. ReturnIfAbrupt(nextValue).
--- |
2161 |
- |
| dstr-let-ary-ptrn-rest-id.js |
---
description: Lone rest element (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingRestElement : ... BindingIdentifier
[...] 3. Let A be ArrayCreate(0). [...] 5. Repeat
[...]
f. Let status be CreateDataProperty(A, ToString (n), nextValue).
[...]
--- |
1900 |
- |
| dstr-let-ary-ptrn-rest-init-ary.js |
---
description: Reset element (nested array pattern) does not support initializer (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
negative:
phase: parse
type: SyntaxError
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3 Destructuring Binding Patterns
ArrayBindingPattern[Yield] :
[ Elisionopt BindingRestElement[?Yield]opt ]
[ BindingElementList[?Yield] ]
[ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
--- |
1847 |
- |
| dstr-let-ary-ptrn-rest-init-id.js |
---
description: Reset element (identifier) does not support initializer (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
negative:
phase: parse
type: SyntaxError
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3 Destructuring Binding Patterns
ArrayBindingPattern[Yield] :
[ Elisionopt BindingRestElement[?Yield]opt ]
[ BindingElementList[?Yield] ]
[ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
--- |
1832 |
- |
| dstr-let-ary-ptrn-rest-init-obj.js |
---
description: Reset element (nested object pattern) does not support initializer (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
negative:
phase: parse
type: SyntaxError
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3 Destructuring Binding Patterns
ArrayBindingPattern[Yield] :
[ Elisionopt BindingRestElement[?Yield]opt ]
[ BindingElementList[?Yield] ]
[ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
--- |
1848 |
- |
| dstr-let-ary-ptrn-rest-not-final-ary.js |
---
description: Rest element (array binding pattern) may not be followed by any element (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
negative:
phase: parse
type: SyntaxError
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3 Destructuring Binding Patterns
ArrayBindingPattern[Yield] :
[ Elisionopt BindingRestElement[?Yield]opt ]
[ BindingElementList[?Yield] ]
[ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
--- |
1861 |
- |
| dstr-let-ary-ptrn-rest-not-final-id.js |
---
description: Rest element (identifier) may not be followed by any element (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
negative:
phase: parse
type: SyntaxError
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3 Destructuring Binding Patterns
ArrayBindingPattern[Yield] :
[ Elisionopt BindingRestElement[?Yield]opt ]
[ BindingElementList[?Yield] ]
[ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
--- |
1847 |
- |
| dstr-let-ary-ptrn-rest-not-final-obj.js |
---
description: Rest element (object binding pattern) may not be followed by any element (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
negative:
phase: parse
type: SyntaxError
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3 Destructuring Binding Patterns
ArrayBindingPattern[Yield] :
[ Elisionopt BindingRestElement[?Yield]opt ]
[ BindingElementList[?Yield] ]
[ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
--- |
1864 |
- |
| dstr-let-ary-ptrn-rest-obj-id.js |
---
description: Rest element containing an object binding pattern (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingRestElement : ... BindingPattern
1. Let A be ArrayCreate(0).
[...]
3. Repeat
[...]
b. If iteratorRecord.[[done]] is true, then
i. Return the result of performing BindingInitialization of
BindingPattern with A and environment as the arguments.
[...]
--- |
1892 |
- |
| dstr-let-ary-ptrn-rest-obj-prop-id.js |
---
description: Rest element containing an object binding pattern (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingRestElement : ... BindingPattern
1. Let A be ArrayCreate(0).
[...]
3. Repeat
[...]
b. If iteratorRecord.[[done]] is true, then
i. Return the result of performing BindingInitialization of
BindingPattern with A and environment as the arguments.
[...]
--- |
2139 |
- |
| dstr-let-obj-init-null.js |
---
description: Value specifed for object binding pattern must be object coercible (null) (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
Runtime Semantics: BindingInitialization
ObjectBindingPattern : { }
1. Return NormalCompletion(empty).
--- |
1534 |
- |
| dstr-let-obj-init-undefined.js |
---
description: Value specifed for object binding pattern must be object coercible (undefined) (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
Runtime Semantics: BindingInitialization
ObjectBindingPattern : { }
1. Return NormalCompletion(empty).
--- |
1549 |
- |
| dstr-let-obj-ptrn-empty.js |
---
description: No property access occurs for an "empty" object binding pattern (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
Runtime Semantics: BindingInitialization
ObjectBindingPattern : { }
1. Return NormalCompletion(empty).
--- |
1740 |
- |
| dstr-let-obj-ptrn-id-get-value-err.js |
---
description: Error thrown when accessing the corresponding property of the value object (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.7 Runtime Semantics: KeyedBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
4. Let v be GetV(value, propertyName).
5. ReturnIfAbrupt(v).
--- |
1773 |
- |
| dstr-let-obj-ptrn-id-init-fn-name-arrow.js |
---
description: SingleNameBinding assigns `name` to arrow functions (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.7 Runtime Semantics: KeyedBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
6. If Initializer is present and v is undefined, then
[...]
d. If IsAnonymousFunctionDefinition(Initializer) is true, then
i. Let hasNameProperty be HasOwnProperty(v, "name").
ii. ReturnIfAbrupt(hasNameProperty).
iii. If hasNameProperty is false, perform SetFunctionName(v,
bindingId).
--- |
2009 |
- |
| dstr-let-obj-ptrn-id-init-fn-name-class.js |
---
description: SingleNameBinding assigns `name` to "anonymous" classes (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.7 Runtime Semantics: KeyedBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
6. If Initializer is present and v is undefined, then
[...]
d. If IsAnonymousFunctionDefinition(Initializer) is true, then
i. Let hasNameProperty be HasOwnProperty(v, "name").
ii. ReturnIfAbrupt(hasNameProperty).
iii. If hasNameProperty is false, perform SetFunctionName(v,
bindingId).
--- |
2148 |
- |
| dstr-let-obj-ptrn-id-init-fn-name-cover.js |
---
description: SingleNameBinding assigns `name` to "anonymous" functions "through" cover grammar (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.7 Runtime Semantics: KeyedBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
6. If Initializer is present and v is undefined, then
[...]
d. If IsAnonymousFunctionDefinition(Initializer) is true, then
i. Let hasNameProperty be HasOwnProperty(v, "name").
ii. ReturnIfAbrupt(hasNameProperty).
iii. If hasNameProperty is false, perform SetFunctionName(v,
bindingId).
--- |
2123 |
- |
| dstr-let-obj-ptrn-id-init-fn-name-fn.js |
---
description: SingleNameBinding assigns name to "anonymous" functions (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.7 Runtime Semantics: KeyedBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
6. If Initializer is present and v is undefined, then
[...]
d. If IsAnonymousFunctionDefinition(Initializer) is true, then
i. Let hasNameProperty be HasOwnProperty(v, "name").
ii. ReturnIfAbrupt(hasNameProperty).
iii. If hasNameProperty is false, perform SetFunctionName(v,
bindingId).
--- |
2070 |
- |
| dstr-let-obj-ptrn-id-init-fn-name-gen.js |
---
description: SingleNameBinding assigns name to "anonymous" generator functions (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [generators, destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.7 Runtime Semantics: KeyedBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
6. If Initializer is present and v is undefined, then
[...]
d. If IsAnonymousFunctionDefinition(Initializer) is true, then
i. Let hasNameProperty be HasOwnProperty(v, "name").
ii. ReturnIfAbrupt(hasNameProperty).
iii. If hasNameProperty is false, perform SetFunctionName(v,
bindingId).
--- |
2102 |
- |
| dstr-let-obj-ptrn-id-init-skipped.js |
---
description: Destructuring initializer is not evaluated when value is not `undefined` (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.7 Runtime Semantics: KeyedBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
6. If Initializer is present and v is undefined, then
[...]
[...]
--- |
1995 |
- |
| dstr-let-obj-ptrn-id-init-throws.js |
---
description: Error thrown when evaluating the initializer (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.7 Runtime Semantics: KeyedBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
6. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be GetValue(defaultValue).
c. ReturnIfAbrupt(v).
--- |
1792 |
- |
| dstr-let-obj-ptrn-id-init-unresolvable.js |
---
description: Destructuring initializer is an unresolvable reference (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.7 Runtime Semantics: KeyedBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
6. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be GetValue(defaultValue).
c. ReturnIfAbrupt(v).
6.2.3.1 GetValue (V)
1. ReturnIfAbrupt(V).
2. If Type(V) is not Reference, return V.
3. Let base be GetBase(V).
4. If IsUnresolvableReference(V), throw a ReferenceError exception.
--- |
1972 |
- |
| dstr-let-obj-ptrn-id-trailing-comma.js |
---
description: Trailing comma is allowed following BindingPropertyList (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3 Destructuring Binding Patterns
ObjectBindingPattern[Yield] :
{ }
{ BindingPropertyList[?Yield] }
{ BindingPropertyList[?Yield] , }
--- |
1682 |
- |
| dstr-let-obj-ptrn-list-err.js |
---
description: Binding property list evaluation is interrupted by an abrupt completion (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.5 Runtime Semantics: BindingInitialization
BindingPropertyList : BindingPropertyList , BindingProperty
1. Let status be the result of performing BindingInitialization for
BindingPropertyList using value and environment as arguments.
2. ReturnIfAbrupt(status).
--- |
1850 |
- |
| dstr-let-obj-ptrn-prop-ary-init.js |
---
description: Object binding pattern with "nested" array binding pattern using initializer (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.7 Runtime Semantics: KeyedBindingInitialization
[...]
3. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be GetValue(defaultValue).
c. ReturnIfAbrupt(v).
4. Return the result of performing BindingInitialization for BindingPattern
passing v and environment as arguments.
--- |
2048 |
- |
| dstr-let-obj-ptrn-prop-ary-trailing-comma.js |
---
description: Trailing comma is allowed following BindingPropertyList (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3 Destructuring Binding Patterns
ObjectBindingPattern[Yield] :
{ }
{ BindingPropertyList[?Yield] }
{ BindingPropertyList[?Yield] , }
--- |
1694 |
- |
| dstr-let-obj-ptrn-prop-ary-value-null.js |
---
description: Object binding pattern with "nested" array binding pattern taking the `null` value (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.7 Runtime Semantics: KeyedBindingInitialization
[...]
3. If Initializer is present and v is undefined, then
[...]
4. Return the result of performing BindingInitialization for BindingPattern
passing v and environment as arguments.
--- |
1742 |
- |
| dstr-let-obj-ptrn-prop-ary.js |
---
description: Object binding pattern with "nested" array binding pattern not using initializer (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.7 Runtime Semantics: KeyedBindingInitialization
[...]
3. If Initializer is present and v is undefined, then
[...]
4. Return the result of performing BindingInitialization for BindingPattern
passing v and environment as arguments.
--- |
1957 |
- |
| dstr-let-obj-ptrn-prop-eval-err.js |
---
description: Evaluation of property name returns an abrupt completion (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.5 Runtime Semantics: BindingInitialization
BindingProperty : PropertyName : BindingElement
1. Let P be the result of evaluating PropertyName
2. ReturnIfAbrupt(P).
--- |
1665 |
- |
| dstr-let-obj-ptrn-prop-id-get-value-err.js |
---
description: Error thrown when accessing the corresponding property of the value object (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.7 Runtime Semantics: KeyedBindingInitialization
BindingElement : BindingPattern Initializeropt
1. Let v be GetV(value, propertyName).
2. ReturnIfAbrupt(v).
--- |
1843 |
- |
| dstr-let-obj-ptrn-prop-id-init-skipped.js |
---
description: Destructuring initializer is not evaluated when value is not `undefined` (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.7 Runtime Semantics: KeyedBindingInitialization
BindingElement : BindingPattern Initializeropt
[...]
3. If Initializer is present and v is undefined, then
[...]
--- |
2226 |
- |
| dstr-let-obj-ptrn-prop-id-init-throws.js |
---
description: Error thrown when evaluating the initializer (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.7 Runtime Semantics: KeyedBindingInitialization
BindingElement : BindingPattern Initializeropt
[...]
3. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be GetValue(defaultValue).
c. ReturnIfAbrupt(v).
--- |
1793 |
- |
| dstr-let-obj-ptrn-prop-id-init-unresolvable.js |
---
description: Destructuring initializer is an unresolvable reference (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.7 Runtime Semantics: KeyedBindingInitialization
BindingElement : BindingPattern Initializeropt
[...]
3. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be GetValue(defaultValue).
c. ReturnIfAbrupt(v).
6.2.3.1 GetValue (V)
1. ReturnIfAbrupt(V).
2. If Type(V) is not Reference, return V.
3. Let base be GetBase(V).
4. If IsUnresolvableReference(V), throw a ReferenceError exception.
--- |
1974 |
- |
| dstr-let-obj-ptrn-prop-id-init.js |
---
description: Binding as specified via property name, identifier, and initializer (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.7 Runtime Semantics: KeyedBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
8. Return InitializeReferencedBinding(lhs, v).
--- |
1756 |
- |
| dstr-let-obj-ptrn-prop-id-trailing-comma.js |
---
description: Trailing comma is allowed following BindingPropertyList (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3 Destructuring Binding Patterns
ObjectBindingPattern[Yield] :
{ }
{ BindingPropertyList[?Yield] }
{ BindingPropertyList[?Yield] , }
--- |
1749 |
- |
| dstr-let-obj-ptrn-prop-id.js |
---
description: Binding as specified via property name and identifier (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.7 Runtime Semantics: KeyedBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
8. Return InitializeReferencedBinding(lhs, v).
--- |
1738 |
- |
| dstr-let-obj-ptrn-prop-obj-init.js |
---
description: Object binding pattern with "nested" object binding pattern using initializer (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.7 Runtime Semantics: KeyedBindingInitialization
[...]
3. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be GetValue(defaultValue).
c. ReturnIfAbrupt(v).
4. Return the result of performing BindingInitialization for BindingPattern
passing v and environment as arguments.
--- |
2076 |
- |
| dstr-let-obj-ptrn-prop-obj-value-null.js |
---
description: Object binding pattern with "nested" object binding pattern taking the `null` value (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.7 Runtime Semantics: KeyedBindingInitialization
[...]
3. If Initializer is present and v is undefined, then
[...]
4. Return the result of performing BindingInitialization for BindingPattern
passing v and environment as arguments.
--- |
1756 |
- |
| dstr-let-obj-ptrn-prop-obj-value-undef.js |
---
description: Object binding pattern with "nested" object binding pattern taking the `null` value (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.7 Runtime Semantics: KeyedBindingInitialization
[...]
3. If Initializer is present and v is undefined, then
[...]
4. Return the result of performing BindingInitialization for BindingPattern
passing v and environment as arguments.
--- |
1738 |
- |
| dstr-let-obj-ptrn-prop-obj.js |
---
description: Object binding pattern with "nested" object binding pattern not using initializer (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
13.3.3.7 Runtime Semantics: KeyedBindingInitialization
[...]
3. If Initializer is present and v is undefined, then
[...]
4. Return the result of performing BindingInitialization for BindingPattern
passing v and environment as arguments.
--- |
1977 |
- |
| dstr-let-obj-ptrn-rest-getter.js |
---
description: Getter is called when obj is being deconstructed to a rest Object (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [object-rest, destructuring-binding]
flags: [generated]
includes: [propertyHelper.js]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
--- |
1713 |
- |
| dstr-let-obj-ptrn-rest-skip-non-enumerable.js |
---
description: Rest object doesn't contain non-enumerable properties (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [object-rest, destructuring-binding]
flags: [generated]
includes: [propertyHelper.js]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
--- |
1883 |
- |
| dstr-let-obj-ptrn-rest-val-obj.js |
---
description: Rest object contains just unextracted data (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [object-rest, destructuring-binding]
flags: [generated]
includes: [propertyHelper.js]
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
[...]
7. Let forDcl be the result of evaluating LexicalDeclaration.
[...]
LexicalDeclaration : LetOrConst BindingList ;
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return NormalCompletion(empty).
BindingList : BindingList , LexicalBinding
1. Let next be the result of evaluating BindingList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating LexicalBinding.
LexicalBinding : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let value be GetValue(rhs).
3. ReturnIfAbrupt(value).
4. Let env be the running execution context’s LexicalEnvironment.
5. Return the result of performing BindingInitialization for BindingPattern
using value and env as the arguments.
--- |
1842 |
- |
| dstr-var-ary-init-iter-close.js |
---
description: Iterator is closed when not exhausted by pattern evaluation (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [Symbol.iterator, destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
13.3.3.5 Runtime Semantics: BindingInitialization
BindingPattern : ArrayBindingPattern
[...]
4. If iteratorRecord.[[done]] is false, return ? IteratorClose(iterator,
result).
[...]
--- |
1832 |
- |
| dstr-var-ary-init-iter-get-err.js |
---
description: Abrupt completion returned by GetIterator (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [Symbol.iterator, destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
13.3.3.5 Runtime Semantics: BindingInitialization
BindingPattern : ArrayBindingPattern
1. Let iterator be GetIterator(value).
2. ReturnIfAbrupt(iterator).
--- |
1537 |
- |
| dstr-var-ary-init-iter-no-close.js |
---
description: Iterator is not closed when exhausted by pattern evaluation (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [Symbol.iterator, destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
13.3.3.5 Runtime Semantics: BindingInitialization
BindingPattern : ArrayBindingPattern
[...]
4. If iteratorRecord.[[done]] is false, return ? IteratorClose(iterator,
result).
[...]
--- |
1834 |
- |
| dstr-var-ary-name-iter-val.js |
---
description: SingleNameBinding with normal value iteration (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
4. If iteratorRecord.[[done]] is false, then
a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
c. ReturnIfAbrupt(next).
d. If next is false, set iteratorRecord.[[done]] to true.
e. Else,
[...]
i. Let v be IteratorValue(next).
ii. If v is an abrupt completion, set
iteratorRecord.[[done]] to true.
iii. ReturnIfAbrupt(v).
5. If iteratorRecord.[[done]] is true, let v be undefined.
[...]
8. Return InitializeReferencedBinding(lhs, v).
--- |
2148 |
- |
| dstr-var-ary-ptrn-elem-ary-elem-init.js |
---
description: BindingElement with array binding pattern and initializer is used (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingElement : BindingPatternInitializer opt
[...]
2. If iteratorRecord.[[done]] is true, let v be undefined.
3. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be ? GetValue(defaultValue).
4. Return the result of performing BindingInitialization of BindingPattern
with v and environment as the arguments.
--- |
1921 |
- |
| dstr-var-ary-ptrn-elem-ary-elem-iter.js |
---
description: BindingElement with array binding pattern and initializer is not used (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingElement : BindingPatternInitializer opt
1. If iteratorRecord.[[done]] is false, then
a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
[...]
e. Else,
i. Let v be IteratorValue(next).
[...]
4. Return the result of performing BindingInitialization of BindingPattern
with v and environment as the arguments.
--- |
1892 |
- |
| dstr-var-ary-ptrn-elem-ary-elision-init.js |
---
description: BindingElement with array binding pattern and initializer is used (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [generators, destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingElement : BindingPatternInitializer opt
[...]
2. If iteratorRecord.[[done]] is true, let v be undefined.
3. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be ? GetValue(defaultValue).
4. Return the result of performing BindingInitialization of BindingPattern
with v and environment as the arguments.
--- |
1996 |
- |
| dstr-var-ary-ptrn-elem-ary-elision-iter.js |
---
description: BindingElement with array binding pattern and initializer is not used (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [generators, destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingElement : BindingPatternInitializer opt
1. If iteratorRecord.[[done]] is false, then
a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
[...]
e. Else,
i. Let v be IteratorValue(next).
[...]
4. Return the result of performing BindingInitialization of BindingPattern
with v and environment as the arguments.
--- |
1901 |
- |
| dstr-var-ary-ptrn-elem-ary-empty-init.js |
---
description: BindingElement with array binding pattern and initializer is used (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [generators, destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingElement : BindingPatternInitializer opt
[...]
2. If iteratorRecord.[[done]] is true, let v be undefined.
3. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be ? GetValue(defaultValue).
4. Return the result of performing BindingInitialization of BindingPattern
with v and environment as the arguments.
--- |
2038 |
- |
| dstr-var-ary-ptrn-elem-ary-empty-iter.js |
---
description: BindingElement with array binding pattern and initializer is not used (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingElement : BindingPatternInitializer opt
1. If iteratorRecord.[[done]] is false, then
a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
[...]
e. Else,
i. Let v be IteratorValue(next).
[...]
4. Return the result of performing BindingInitialization of BindingPattern
with v and environment as the arguments.
--- |
1879 |
- |
| dstr-var-ary-ptrn-elem-ary-rest-init.js |
---
description: BindingElement with array binding pattern and initializer is used (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingElement : BindingPatternInitializer opt
[...]
2. If iteratorRecord.[[done]] is true, let v be undefined.
3. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be ? GetValue(defaultValue).
4. Return the result of performing BindingInitialization of BindingPattern
with v and environment as the arguments.
--- |
2043 |
- |
| dstr-var-ary-ptrn-elem-ary-rest-iter.js |
---
description: BindingElement with array binding pattern and initializer is not used (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingElement : BindingPatternInitializer opt
1. If iteratorRecord.[[done]] is false, then
a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
[...]
e. Else,
i. Let v be IteratorValue(next).
[...]
4. Return the result of performing BindingInitialization of BindingPattern
with v and environment as the arguments.
--- |
2090 |
- |
| dstr-var-ary-ptrn-elem-ary-val-null.js |
---
description: Nested array destructuring with a null value (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingElement : BindingPattern Initializeropt
1. If iteratorRecord.[[done]] is false, then
[...]
e. Else
i. Let v be IteratorValue(next).
[...]
4. Return the result of performing BindingInitialization of BindingPattern
with v and environment as the arguments.
13.3.3.5 Runtime Semantics: BindingInitialization
BindingPattern : ArrayBindingPattern
1. Let iterator be GetIterator(value).
2. ReturnIfAbrupt(iterator).
--- |
1824 |
- |
| dstr-var-ary-ptrn-elem-id-init-exhausted.js |
---
description: Destructuring initializer with an exhausted iterator (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
5. If iteratorRecord.[[done]] is true, let v be undefined.
6. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be GetValue(defaultValue).
[...]
7. If environment is undefined, return PutValue(lhs, v).
8. Return InitializeReferencedBinding(lhs, v).
--- |
1848 |
- |
| dstr-var-ary-ptrn-elem-id-init-fn-name-arrow.js |
---
description: SingleNameBinding does assign name to arrow functions (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
6. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be GetValue(defaultValue).
c. ReturnIfAbrupt(v).
d. If IsAnonymousFunctionDefinition(Initializer) is true, then
[...]
7. If environment is undefined, return PutValue(lhs, v).
8. Return InitializeReferencedBinding(lhs, v).
--- |
1916 |
- |
| dstr-var-ary-ptrn-elem-id-init-fn-name-class.js |
---
description: SingleNameBinding assigns `name` to "anonymous" classes (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
6. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be GetValue(defaultValue).
c. ReturnIfAbrupt(v).
d. If IsAnonymousFunctionDefinition(Initializer) is true, then
[...]
7. If environment is undefined, return PutValue(lhs, v).
8. Return InitializeReferencedBinding(lhs, v).
--- |
2053 |
- |
| dstr-var-ary-ptrn-elem-id-init-fn-name-cover.js |
---
description: SingleNameBinding does assign name to "anonymous" functions "through" cover grammar (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
6. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be GetValue(defaultValue).
c. ReturnIfAbrupt(v).
d. If IsAnonymousFunctionDefinition(Initializer) is true, then
[...]
7. If environment is undefined, return PutValue(lhs, v).
8. Return InitializeReferencedBinding(lhs, v).
--- |
2029 |
- |
| dstr-var-ary-ptrn-elem-id-init-fn-name-fn.js |
---
description: SingleNameBinding assigns name to "anonymous" functions (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
6. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be GetValue(defaultValue).
c. ReturnIfAbrupt(v).
d. If IsAnonymousFunctionDefinition(Initializer) is true, then
[...]
7. If environment is undefined, return PutValue(lhs, v).
8. Return InitializeReferencedBinding(lhs, v).
--- |
1975 |
- |
| dstr-var-ary-ptrn-elem-id-init-fn-name-gen.js |
---
description: SingleNameBinding assigns name to "anonymous" generator functions (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [generators, destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
6. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be GetValue(defaultValue).
c. ReturnIfAbrupt(v).
d. If IsAnonymousFunctionDefinition(Initializer) is true, then
[...]
7. If environment is undefined, return PutValue(lhs, v).
8. Return InitializeReferencedBinding(lhs, v).
--- |
2007 |
- |
| dstr-var-ary-ptrn-elem-id-init-hole.js |
---
description: Destructuring initializer with a "hole" (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...] 6. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be GetValue(defaultValue).
[...]
7. If environment is undefined, return PutValue(lhs, v). 8. Return InitializeReferencedBinding(lhs, v).
--- |
1781 |
- |
| dstr-var-ary-ptrn-elem-id-init-skipped.js |
---
description: Destructuring initializer is not evaluated when value is not `undefined` (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
6. If Initializer is present and v is undefined, then
[...]
7. If environment is undefined, return PutValue(lhs, v).
8. Return InitializeReferencedBinding(lhs, v).
--- |
1941 |
- |
| dstr-var-ary-ptrn-elem-id-init-throws.js |
---
description: Destructuring initializer returns an abrupt completion (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
6. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be GetValue(defaultValue).
c. ReturnIfAbrupt(v).
--- |
1666 |
- |
| dstr-var-ary-ptrn-elem-id-init-undef.js |
---
description: Destructuring initializer with an undefined value (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
6. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be GetValue(defaultValue).
[...]
7. If environment is undefined, return PutValue(lhs, v).
8. Return InitializeReferencedBinding(lhs, v).
--- |
1787 |
- |
| dstr-var-ary-ptrn-elem-id-init-unresolvable.js |
---
description: Destructuring initializer is an unresolvable reference (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
6. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be GetValue(defaultValue).
c. ReturnIfAbrupt(v).
6.2.3.1 GetValue (V)
1. ReturnIfAbrupt(V).
2. If Type(V) is not Reference, return V.
3. Let base be GetBase(V).
4. If IsUnresolvableReference(V), throw a ReferenceError exception.
--- |
1846 |
- |
| dstr-var-ary-ptrn-elem-id-iter-complete.js |
---
description: SingleNameBinding when value iteration completes (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
4. If iteratorRecord.[[done]] is false, then
a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
c. ReturnIfAbrupt(next).
d. If next is false, set iteratorRecord.[[done]] to true.
e. Else,
[...]
5. If iteratorRecord.[[done]] is true, let v be undefined.
[...]
8. Return InitializeReferencedBinding(lhs, v).
--- |
1935 |
- |
| dstr-var-ary-ptrn-elem-id-iter-done.js |
---
description: SingleNameBinding when value iteration was completed previously (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
4. If iteratorRecord.[[done]] is false, then
[...]
5. If iteratorRecord.[[done]] is true, let v be undefined.
[...]
8. Return InitializeReferencedBinding(lhs, v).
--- |
1688 |
- |
| dstr-var-ary-ptrn-elem-id-iter-step-err.js |
---
description: Error forwarding when IteratorStep returns an abrupt completion (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [Symbol.iterator, destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
4. If iteratorRecord.[[done]] is false, then
a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
c. ReturnIfAbrupt(next).
--- |
1792 |
- |
| dstr-var-ary-ptrn-elem-id-iter-val-err.js |
---
description: Error forwarding when IteratorValue returns an abrupt completion (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [Symbol.iterator, destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
4. If iteratorRecord.[[done]] is false, then
a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
c. ReturnIfAbrupt(next).
d. If next is false, set iteratorRecord.[[done]] to true.
e. Else,
i. Let v be IteratorValue(next).
ii. If v is an abrupt completion, set iteratorRecord.[[done]] to
true.
iii. ReturnIfAbrupt(v).
--- |
2156 |
- |
| dstr-var-ary-ptrn-elem-id-iter-val.js |
---
description: SingleNameBinding when value iteration was completed previously (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
4. If iteratorRecord.[[done]] is false, then
a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
c. ReturnIfAbrupt(next).
d. If next is false, set iteratorRecord.[[done]] to true.
e. Else,
[...]
i. Let v be IteratorValue(next).
ii. If v is an abrupt completion, set
iteratorRecord.[[done]] to true.
iii. ReturnIfAbrupt(v).
5. If iteratorRecord.[[done]] is true, let v be undefined.
[...]
8. Return InitializeReferencedBinding(lhs, v).
--- |
2174 |
- |
| dstr-var-ary-ptrn-elem-obj-id-init.js |
---
description: BindingElement with object binding pattern and initializer is used (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingElement : BindingPatternInitializer opt
[...]
2. If iteratorRecord.[[done]] is true, let v be undefined.
3. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be ? GetValue(defaultValue).
4. Return the result of performing BindingInitialization of BindingPattern
with v and environment as the arguments.
--- |
1939 |
- |
| dstr-var-ary-ptrn-elem-obj-id.js |
---
description: BindingElement with object binding pattern and initializer is not used (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingElement : BindingPatternInitializer opt
[...]
2. If iteratorRecord.[[done]] is true, let v be undefined.
3. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be ? GetValue(defaultValue).
4. Return the result of performing BindingInitialization of BindingPattern
with v and environment as the arguments.
--- |
1961 |
- |
| dstr-var-ary-ptrn-elem-obj-prop-id-init.js |
---
description: BindingElement with object binding pattern and initializer is used (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingElement : BindingPatternInitializer opt
[...]
2. If iteratorRecord.[[done]] is true, let v be undefined.
3. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be ? GetValue(defaultValue).
4. Return the result of performing BindingInitialization of BindingPattern
with v and environment as the arguments.
--- |
2134 |
- |
| dstr-var-ary-ptrn-elem-obj-prop-id.js |
---
description: BindingElement with object binding pattern and initializer is not used (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingElement : BindingPatternInitializer opt
[...]
2. If iteratorRecord.[[done]] is true, let v be undefined.
3. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be ? GetValue(defaultValue).
4. Return the result of performing BindingInitialization of BindingPattern
with v and environment as the arguments.
--- |
2159 |
- |
| dstr-var-ary-ptrn-elem-obj-val-null.js |
---
description: Nested object destructuring with a null value (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingElement : BindingPattern Initializeropt
1. If iteratorRecord.[[done]] is false, then
[...]
e. Else
i. Let v be IteratorValue(next).
[...]
4. Return the result of performing BindingInitialization of BindingPattern
with v and environment as the arguments.
13.3.3.5 Runtime Semantics: BindingInitialization
BindingPattern : ObjectBindingPattern
1. Let valid be RequireObjectCoercible(value).
2. ReturnIfAbrupt(valid).
--- |
1833 |
- |
| dstr-var-ary-ptrn-elem-obj-val-undef.js |
---
description: Nested object destructuring with a value of `undefined` (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingElement : BindingPattern Initializeropt
1. If iteratorRecord.[[done]] is false, then
[...]
e. Else
i. Let v be IteratorValue(next).
[...]
4. Return the result of performing BindingInitialization of BindingPattern
with v and environment as the arguments.
13.3.3.5 Runtime Semantics: BindingInitialization
BindingPattern : ObjectBindingPattern
1. Let valid be RequireObjectCoercible(value).
2. ReturnIfAbrupt(valid).
--- |
1840 |
- |
| dstr-var-ary-ptrn-elision-exhausted.js |
---
description: Elision accepts exhausted iterator (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [generators, destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
ArrayBindingPattern : [ Elision ]
1. Return the result of performing
IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
as the argument.
12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
Elision : ,
1. If iteratorRecord.[[done]] is false, then
[...]
2. Return NormalCompletion(empty).
--- |
1805 |
- |
| dstr-var-ary-ptrn-elision-iter-close.js |
---
description: The iterator is properly consumed by the destructuring pattern (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [generators, destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
--- |
1404 |
- |
| dstr-var-ary-ptrn-elision-step-err.js |
---
description: Elision advances iterator and forwards abrupt completions (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [generators, destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
ArrayBindingPattern : [ Elision ]
1. Return the result of performing
IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
as the argument.
12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
Elision : ,
1. If iteratorRecord.[[done]] is false, then
a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
c. ReturnIfAbrupt(next).
--- |
2035 |
- |
| dstr-var-ary-ptrn-elision.js |
---
description: Elision advances iterator (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [generators, destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
ArrayBindingPattern : [ Elision ]
1. Return the result of performing
IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
as the argument.
12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
Elision : ,
1. If iteratorRecord.[[done]] is false, then
a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
c. ReturnIfAbrupt(next).
d. If next is false, set iteratorRecord.[[done]] to true.
2. Return NormalCompletion(empty).
--- |
2118 |
- |
| dstr-var-ary-ptrn-empty.js |
---
description: No iteration occurs for an "empty" array binding pattern (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [generators, destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
ArrayBindingPattern : [ ]
1. Return NormalCompletion(empty).
--- |
1566 |
- |
| dstr-var-ary-ptrn-rest-ary-elem.js |
---
description: Rest element containing an array BindingElementList pattern (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingRestElement : ... BindingPattern
1. Let A be ArrayCreate(0).
[...]
3. Repeat
[...]
b. If iteratorRecord.[[done]] is true, then
i. Return the result of performing BindingInitialization of
BindingPattern with A and environment as the arguments.
[...]
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
4. If iteratorRecord.[[done]] is false, then
a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
c. ReturnIfAbrupt(next).
d. If next is false, set iteratorRecord.[[done]] to true.
e. Else,
[...]
i. Let v be IteratorValue(next).
ii. If v is an abrupt completion, set
iteratorRecord.[[done]] to true.
iii. ReturnIfAbrupt(v).
5. If iteratorRecord.[[done]] is true, let v be undefined.
[...]
8. Return InitializeReferencedBinding(lhs, v).
--- |
2553 |
- |
| dstr-var-ary-ptrn-rest-ary-elision.js |
---
description: Rest element containing an elision (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [generators, destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingRestElement : ... BindingPattern
1. Let A be ArrayCreate(0).
[...]
3. Repeat
[...]
b. If iteratorRecord.[[done]] is true, then
i. Return the result of performing BindingInitialization of
BindingPattern with A and environment as the arguments.
[...]
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
ArrayBindingPattern : [ Elision ]
1. Return the result of performing
IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
as the argument.
12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
Elision : ,
1. If iteratorRecord.[[done]] is false, then
a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
c. ReturnIfAbrupt(next).
d. If next is false, set iteratorRecord.[[done]] to true.
2. Return NormalCompletion(empty).
--- |
2522 |
- |
| dstr-var-ary-ptrn-rest-ary-empty.js |
---
description: Rest element containing an "empty" array pattern (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [generators, destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingRestElement : ... BindingPattern
1. Let A be ArrayCreate(0).
[...]
3. Repeat
[...]
b. If iteratorRecord.[[done]] is true, then
i. Return the result of performing BindingInitialization of
BindingPattern with A and environment as the arguments.
[...]
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
ArrayBindingPattern : [ ]
1. Return NormalCompletion(empty).
--- |
1953 |
- |
| dstr-var-ary-ptrn-rest-ary-rest.js |
---
description: Rest element containing a rest element (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingRestElement : ... BindingPattern
1. Let A be ArrayCreate(0).
[...]
3. Repeat
[...]
b. If iteratorRecord.[[done]] is true, then
i. Return the result of performing BindingInitialization of
BindingPattern with A and environment as the arguments.
[...]
--- |
1904 |
- |
| dstr-var-ary-ptrn-rest-id-elision-next-err.js |
---
description: Rest element following elision elements (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [generators, destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
ArrayBindingPattern : [ Elisionopt BindingRestElement ]
1. If Elision is present, then
a. Let status be the result of performing
IteratorDestructuringAssignmentEvaluation of Elision with
iteratorRecord as the argument.
b. ReturnIfAbrupt(status).
2. Return the result of performing IteratorBindingInitialization for
BindingRestElement with iteratorRecord and environment as arguments.
--- |
1848 |
- |
| dstr-var-ary-ptrn-rest-id-elision.js |
---
description: Rest element following elision elements (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
ArrayBindingPattern : [ Elisionopt BindingRestElement ]
1. If Elision is present, then
a. Let status be the result of performing
IteratorDestructuringAssignmentEvaluation of Elision with
iteratorRecord as the argument.
b. ReturnIfAbrupt(status).
2. Return the result of performing IteratorBindingInitialization for
BindingRestElement with iteratorRecord and environment as arguments.
--- |
2031 |
- |
| dstr-var-ary-ptrn-rest-id-exhausted.js |
---
description: RestElement applied to an exhausted iterator (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [Symbol.iterator, destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingRestElement : ... BindingIdentifier
1. Let lhs be ResolveBinding(StringValue of BindingIdentifier,
environment).
2. ReturnIfAbrupt(lhs). 3. Let A be ArrayCreate(0). 4. Let n=0. 5. Repeat,
[...]
b. If iteratorRecord.[[done]] is true, then
i. If environment is undefined, return PutValue(lhs, A).
ii. Return InitializeReferencedBinding(lhs, A).
--- |
1870 |
- |
| dstr-var-ary-ptrn-rest-id-iter-close.js |
---
description: The iterator is properly consumed by the destructuring pattern (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [generators, destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
--- |
1407 |
- |
| dstr-var-ary-ptrn-rest-id-iter-step-err.js |
---
description: Error forwarding when IteratorStep returns an abrupt completion (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [generators, destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingRestElement : ... BindingIdentifier
1. Let lhs be ResolveBinding(StringValue of BindingIdentifier,
environment).
2. ReturnIfAbrupt(lhs). 3. Let A be ArrayCreate(0). 4. Let n=0. 5. Repeat,
a. If iteratorRecord.[[done]] is false,
i. Let next be IteratorStep(iteratorRecord.[[iterator]]).
ii. If next is an abrupt completion, set iteratorRecord.[[done]] to
true.
iii. ReturnIfAbrupt(next).
--- |
2076 |
- |
| dstr-var-ary-ptrn-rest-id-iter-val-err.js |
---
description: Error forwarding when IteratorValue returns an abrupt completion (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [Symbol.iterator, destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingRestElement : ... BindingIdentifier
1. Let lhs be ResolveBinding(StringValue of BindingIdentifier,
environment).
2. ReturnIfAbrupt(lhs). 3. Let A be ArrayCreate(0). 4. Let n=0. 5. Repeat,
[...]
c. Let nextValue be IteratorValue(next).
d. If nextValue is an abrupt completion, set iteratorRecord.[[done]] to
true.
e. ReturnIfAbrupt(nextValue).
--- |
2027 |
- |
| dstr-var-ary-ptrn-rest-id.js |
---
description: Lone rest element (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingRestElement : ... BindingIdentifier
[...] 3. Let A be ArrayCreate(0). [...] 5. Repeat
[...]
f. Let status be CreateDataProperty(A, ToString (n), nextValue).
[...]
--- |
1752 |
- |
| dstr-var-ary-ptrn-rest-init-ary.js |
---
description: Reset element (nested array pattern) does not support initializer (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
negative:
phase: parse
type: SyntaxError
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
13.3.3 Destructuring Binding Patterns
ArrayBindingPattern[Yield] :
[ Elisionopt BindingRestElement[?Yield]opt ]
[ BindingElementList[?Yield] ]
[ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
--- |
1699 |
- |
| dstr-var-ary-ptrn-rest-init-id.js |
---
description: Reset element (identifier) does not support initializer (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
negative:
phase: parse
type: SyntaxError
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
13.3.3 Destructuring Binding Patterns
ArrayBindingPattern[Yield] :
[ Elisionopt BindingRestElement[?Yield]opt ]
[ BindingElementList[?Yield] ]
[ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
--- |
1684 |
- |
| dstr-var-ary-ptrn-rest-init-obj.js |
---
description: Reset element (nested object pattern) does not support initializer (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
negative:
phase: parse
type: SyntaxError
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
13.3.3 Destructuring Binding Patterns
ArrayBindingPattern[Yield] :
[ Elisionopt BindingRestElement[?Yield]opt ]
[ BindingElementList[?Yield] ]
[ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
--- |
1700 |
- |
| dstr-var-ary-ptrn-rest-not-final-ary.js |
---
description: Rest element (array binding pattern) may not be followed by any element (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
negative:
phase: parse
type: SyntaxError
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
13.3.3 Destructuring Binding Patterns
ArrayBindingPattern[Yield] :
[ Elisionopt BindingRestElement[?Yield]opt ]
[ BindingElementList[?Yield] ]
[ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
--- |
1713 |
- |
| dstr-var-ary-ptrn-rest-not-final-id.js |
---
description: Rest element (identifier) may not be followed by any element (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
negative:
phase: parse
type: SyntaxError
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
13.3.3 Destructuring Binding Patterns
ArrayBindingPattern[Yield] :
[ Elisionopt BindingRestElement[?Yield]opt ]
[ BindingElementList[?Yield] ]
[ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
--- |
1699 |
- |
| dstr-var-ary-ptrn-rest-not-final-obj.js |
---
description: Rest element (object binding pattern) may not be followed by any element (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
negative:
phase: parse
type: SyntaxError
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
13.3.3 Destructuring Binding Patterns
ArrayBindingPattern[Yield] :
[ Elisionopt BindingRestElement[?Yield]opt ]
[ BindingElementList[?Yield] ]
[ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
--- |
1716 |
- |
| dstr-var-ary-ptrn-rest-obj-id.js |
---
description: Rest element containing an object binding pattern (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingRestElement : ... BindingPattern
1. Let A be ArrayCreate(0).
[...]
3. Repeat
[...]
b. If iteratorRecord.[[done]] is true, then
i. Return the result of performing BindingInitialization of
BindingPattern with A and environment as the arguments.
[...]
--- |
1744 |
- |
| dstr-var-ary-ptrn-rest-obj-prop-id.js |
---
description: Rest element containing an object binding pattern (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingRestElement : ... BindingPattern
1. Let A be ArrayCreate(0).
[...]
3. Repeat
[...]
b. If iteratorRecord.[[done]] is true, then
i. Return the result of performing BindingInitialization of
BindingPattern with A and environment as the arguments.
[...]
--- |
1991 |
- |
| dstr-var-obj-init-null.js |
---
description: Value specifed for object binding pattern must be object coercible (null) (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
Runtime Semantics: BindingInitialization
ObjectBindingPattern : { }
1. Return NormalCompletion(empty).
--- |
1400 |
- |
| dstr-var-obj-init-undefined.js |
---
description: Value specifed for object binding pattern must be object coercible (undefined) (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
Runtime Semantics: BindingInitialization
ObjectBindingPattern : { }
1. Return NormalCompletion(empty).
--- |
1415 |
- |
| dstr-var-obj-ptrn-empty.js |
---
description: No property access occurs for an "empty" object binding pattern (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
Runtime Semantics: BindingInitialization
ObjectBindingPattern : { }
1. Return NormalCompletion(empty).
--- |
1592 |
- |
| dstr-var-obj-ptrn-id-get-value-err.js |
---
description: Error thrown when accessing the corresponding property of the value object (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
13.3.3.7 Runtime Semantics: KeyedBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
4. Let v be GetV(value, propertyName).
5. ReturnIfAbrupt(v).
--- |
1639 |
- |
| dstr-var-obj-ptrn-id-init-fn-name-arrow.js |
---
description: SingleNameBinding assigns `name` to arrow functions (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
13.3.3.7 Runtime Semantics: KeyedBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
6. If Initializer is present and v is undefined, then
[...]
d. If IsAnonymousFunctionDefinition(Initializer) is true, then
i. Let hasNameProperty be HasOwnProperty(v, "name").
ii. ReturnIfAbrupt(hasNameProperty).
iii. If hasNameProperty is false, perform SetFunctionName(v,
bindingId).
--- |
1861 |
- |
| dstr-var-obj-ptrn-id-init-fn-name-class.js |
---
description: SingleNameBinding assigns `name` to "anonymous" classes (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
13.3.3.7 Runtime Semantics: KeyedBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
6. If Initializer is present and v is undefined, then
[...]
d. If IsAnonymousFunctionDefinition(Initializer) is true, then
i. Let hasNameProperty be HasOwnProperty(v, "name").
ii. ReturnIfAbrupt(hasNameProperty).
iii. If hasNameProperty is false, perform SetFunctionName(v,
bindingId).
--- |
2000 |
- |
| dstr-var-obj-ptrn-id-init-fn-name-cover.js |
---
description: SingleNameBinding assigns `name` to "anonymous" functions "through" cover grammar (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
13.3.3.7 Runtime Semantics: KeyedBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
6. If Initializer is present and v is undefined, then
[...]
d. If IsAnonymousFunctionDefinition(Initializer) is true, then
i. Let hasNameProperty be HasOwnProperty(v, "name").
ii. ReturnIfAbrupt(hasNameProperty).
iii. If hasNameProperty is false, perform SetFunctionName(v,
bindingId).
--- |
1975 |
- |
| dstr-var-obj-ptrn-id-init-fn-name-fn.js |
---
description: SingleNameBinding assigns name to "anonymous" functions (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
13.3.3.7 Runtime Semantics: KeyedBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
6. If Initializer is present and v is undefined, then
[...]
d. If IsAnonymousFunctionDefinition(Initializer) is true, then
i. Let hasNameProperty be HasOwnProperty(v, "name").
ii. ReturnIfAbrupt(hasNameProperty).
iii. If hasNameProperty is false, perform SetFunctionName(v,
bindingId).
--- |
1922 |
- |
| dstr-var-obj-ptrn-id-init-fn-name-gen.js |
---
description: SingleNameBinding assigns name to "anonymous" generator functions (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [generators, destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
13.3.3.7 Runtime Semantics: KeyedBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
6. If Initializer is present and v is undefined, then
[...]
d. If IsAnonymousFunctionDefinition(Initializer) is true, then
i. Let hasNameProperty be HasOwnProperty(v, "name").
ii. ReturnIfAbrupt(hasNameProperty).
iii. If hasNameProperty is false, perform SetFunctionName(v,
bindingId).
--- |
1954 |
- |
| dstr-var-obj-ptrn-id-init-skipped.js |
---
description: Destructuring initializer is not evaluated when value is not `undefined` (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
13.3.3.7 Runtime Semantics: KeyedBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
6. If Initializer is present and v is undefined, then
[...]
[...]
--- |
1847 |
- |
| dstr-var-obj-ptrn-id-init-throws.js |
---
description: Error thrown when evaluating the initializer (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
13.3.3.7 Runtime Semantics: KeyedBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
6. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be GetValue(defaultValue).
c. ReturnIfAbrupt(v).
--- |
1658 |
- |
| dstr-var-obj-ptrn-id-init-unresolvable.js |
---
description: Destructuring initializer is an unresolvable reference (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
13.3.3.7 Runtime Semantics: KeyedBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
6. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be GetValue(defaultValue).
c. ReturnIfAbrupt(v).
6.2.3.1 GetValue (V)
1. ReturnIfAbrupt(V).
2. If Type(V) is not Reference, return V.
3. Let base be GetBase(V).
4. If IsUnresolvableReference(V), throw a ReferenceError exception.
--- |
1838 |
- |
| dstr-var-obj-ptrn-id-trailing-comma.js |
---
description: Trailing comma is allowed following BindingPropertyList (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
13.3.3 Destructuring Binding Patterns
ObjectBindingPattern[Yield] :
{ }
{ BindingPropertyList[?Yield] }
{ BindingPropertyList[?Yield] , }
--- |
1534 |
- |
| dstr-var-obj-ptrn-list-err.js |
---
description: Binding property list evaluation is interrupted by an abrupt completion (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
13.3.3.5 Runtime Semantics: BindingInitialization
BindingPropertyList : BindingPropertyList , BindingProperty
1. Let status be the result of performing BindingInitialization for
BindingPropertyList using value and environment as arguments.
2. ReturnIfAbrupt(status).
--- |
1716 |
- |
| dstr-var-obj-ptrn-prop-ary-init.js |
---
description: Object binding pattern with "nested" array binding pattern using initializer (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
13.3.3.7 Runtime Semantics: KeyedBindingInitialization
[...]
3. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be GetValue(defaultValue).
c. ReturnIfAbrupt(v).
4. Return the result of performing BindingInitialization for BindingPattern
passing v and environment as arguments.
--- |
1900 |
- |
| dstr-var-obj-ptrn-prop-ary-trailing-comma.js |
---
description: Trailing comma is allowed following BindingPropertyList (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
13.3.3 Destructuring Binding Patterns
ObjectBindingPattern[Yield] :
{ }
{ BindingPropertyList[?Yield] }
{ BindingPropertyList[?Yield] , }
--- |
1546 |
- |
| dstr-var-obj-ptrn-prop-ary-value-null.js |
---
description: Object binding pattern with "nested" array binding pattern taking the `null` value (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
13.3.3.7 Runtime Semantics: KeyedBindingInitialization
[...]
3. If Initializer is present and v is undefined, then
[...]
4. Return the result of performing BindingInitialization for BindingPattern
passing v and environment as arguments.
--- |
1608 |
- |
| dstr-var-obj-ptrn-prop-ary.js |
---
description: Object binding pattern with "nested" array binding pattern not using initializer (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
13.3.3.7 Runtime Semantics: KeyedBindingInitialization
[...]
3. If Initializer is present and v is undefined, then
[...]
4. Return the result of performing BindingInitialization for BindingPattern
passing v and environment as arguments.
--- |
1809 |
- |
| dstr-var-obj-ptrn-prop-eval-err.js |
---
description: Evaluation of property name returns an abrupt completion (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
13.3.3.5 Runtime Semantics: BindingInitialization
BindingProperty : PropertyName : BindingElement
1. Let P be the result of evaluating PropertyName
2. ReturnIfAbrupt(P).
--- |
1531 |
- |
| dstr-var-obj-ptrn-prop-id-get-value-err.js |
---
description: Error thrown when accessing the corresponding property of the value object (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
13.3.3.7 Runtime Semantics: KeyedBindingInitialization
BindingElement : BindingPattern Initializeropt
1. Let v be GetV(value, propertyName).
2. ReturnIfAbrupt(v).
--- |
1709 |
- |
| dstr-var-obj-ptrn-prop-id-init-skipped.js |
---
description: Destructuring initializer is not evaluated when value is not `undefined` (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
13.3.3.7 Runtime Semantics: KeyedBindingInitialization
BindingElement : BindingPattern Initializeropt
[...]
3. If Initializer is present and v is undefined, then
[...]
--- |
2078 |
- |
| dstr-var-obj-ptrn-prop-id-init-throws.js |
---
description: Error thrown when evaluating the initializer (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
13.3.3.7 Runtime Semantics: KeyedBindingInitialization
BindingElement : BindingPattern Initializeropt
[...]
3. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be GetValue(defaultValue).
c. ReturnIfAbrupt(v).
--- |
1659 |
- |
| dstr-var-obj-ptrn-prop-id-init-unresolvable.js |
---
description: Destructuring initializer is an unresolvable reference (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
13.3.3.7 Runtime Semantics: KeyedBindingInitialization
BindingElement : BindingPattern Initializeropt
[...]
3. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be GetValue(defaultValue).
c. ReturnIfAbrupt(v).
6.2.3.1 GetValue (V)
1. ReturnIfAbrupt(V).
2. If Type(V) is not Reference, return V.
3. Let base be GetBase(V).
4. If IsUnresolvableReference(V), throw a ReferenceError exception.
--- |
1840 |
- |
| dstr-var-obj-ptrn-prop-id-init.js |
---
description: Binding as specified via property name, identifier, and initializer (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
13.3.3.7 Runtime Semantics: KeyedBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
8. Return InitializeReferencedBinding(lhs, v).
--- |
1608 |
- |
| dstr-var-obj-ptrn-prop-id-trailing-comma.js |
---
description: Trailing comma is allowed following BindingPropertyList (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
13.3.3 Destructuring Binding Patterns
ObjectBindingPattern[Yield] :
{ }
{ BindingPropertyList[?Yield] }
{ BindingPropertyList[?Yield] , }
--- |
1601 |
- |
| dstr-var-obj-ptrn-prop-id.js |
---
description: Binding as specified via property name and identifier (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
13.3.3.7 Runtime Semantics: KeyedBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
8. Return InitializeReferencedBinding(lhs, v).
--- |
1590 |
- |
| dstr-var-obj-ptrn-prop-obj-init.js |
---
description: Object binding pattern with "nested" object binding pattern using initializer (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
13.3.3.7 Runtime Semantics: KeyedBindingInitialization
[...]
3. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be GetValue(defaultValue).
c. ReturnIfAbrupt(v).
4. Return the result of performing BindingInitialization for BindingPattern
passing v and environment as arguments.
--- |
1928 |
- |
| dstr-var-obj-ptrn-prop-obj-value-null.js |
---
description: Object binding pattern with "nested" object binding pattern taking the `null` value (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
13.3.3.7 Runtime Semantics: KeyedBindingInitialization
[...]
3. If Initializer is present and v is undefined, then
[...]
4. Return the result of performing BindingInitialization for BindingPattern
passing v and environment as arguments.
--- |
1622 |
- |
| dstr-var-obj-ptrn-prop-obj-value-undef.js |
---
description: Object binding pattern with "nested" object binding pattern taking the `null` value (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
13.3.3.7 Runtime Semantics: KeyedBindingInitialization
[...]
3. If Initializer is present and v is undefined, then
[...]
4. Return the result of performing BindingInitialization for BindingPattern
passing v and environment as arguments.
--- |
1604 |
- |
| dstr-var-obj-ptrn-prop-obj.js |
---
description: Object binding pattern with "nested" object binding pattern not using initializer (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [destructuring-binding]
flags: [generated]
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
13.3.3.7 Runtime Semantics: KeyedBindingInitialization
[...]
3. If Initializer is present and v is undefined, then
[...]
4. Return the result of performing BindingInitialization for BindingPattern
passing v and environment as arguments.
--- |
1829 |
- |
| dstr-var-obj-ptrn-rest-getter.js |
---
description: Getter is called when obj is being deconstructed to a rest Object (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [object-rest, destructuring-binding]
flags: [generated]
includes: [propertyHelper.js]
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
--- |
1565 |
- |
| dstr-var-obj-ptrn-rest-skip-non-enumerable.js |
---
description: Rest object doesn't contain non-enumerable properties (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [object-rest, destructuring-binding]
flags: [generated]
includes: [propertyHelper.js]
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
--- |
1735 |
- |
| dstr-var-obj-ptrn-rest-val-obj.js |
---
description: Rest object contains just unextracted data (for statement)
esid: sec-for-statement-runtime-semantics-labelledevaluation
es6id: 13.7.4.7
features: [object-rest, destructuring-binding]
flags: [generated]
includes: [propertyHelper.js]
info: |
IterationStatement :
for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
1. Let varDcl be the result of evaluating VariableDeclarationList.
[...]
13.3.2.4 Runtime Semantics: Evaluation
VariableDeclarationList : VariableDeclarationList , VariableDeclaration
1. Let next be the result of evaluating VariableDeclarationList.
2. ReturnIfAbrupt(next).
3. Return the result of evaluating VariableDeclaration.
VariableDeclaration : BindingPattern Initializer
1. Let rhs be the result of evaluating Initializer.
2. Let rval be GetValue(rhs).
3. ReturnIfAbrupt(rval).
4. Return the result of performing BindingInitialization for BindingPattern
passing rval and undefined as arguments.
--- |
1694 |
- |
| head-const-bound-names-in-stmt.js |
---
description: The body may not re-declare variables declared in the head
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
It is a Syntax Error if any element of the BoundNames of LexicalDeclaration
also occurs in the VarDeclaredNames of Statement.
negative:
phase: parse
type: SyntaxError
esid: sec-for-statement
es6id: 13.7.4
--- |
644 |
- |
| head-const-fresh-binding-per-iteration.js |
---
es6id: 13.6.4.13
description: >
const ForDeclaration: creates a fresh binding per iteration
--- |
368 |
- |
| head-let-bound-names-in-stmt.js |
---
description: The body may not re-declare variables declared in the head
info: |
IterationStatement :
for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement
It is a Syntax Error if any element of the BoundNames of LexicalDeclaration
also occurs in the VarDeclaredNames of Statement.
negative:
phase: parse
type: SyntaxError
esid: sec-for-statement
es6id: 13.7.4
--- |
642 |
- |
| head-let-destructuring.js |
---
esid: sec-iteration-statements
es6id: 13.7
description: >
The token sequence `let [`is interpreted as the beginning of a destructuring
binding pattern
info: |
Syntax
IterationStatement[Yield, Return]:
for ( [lookahead ∉ { let [ } ] Expression[~In, ?Yield]opt ;
Expression[+In, ?Yield]opt ; Expression[+In, ?Yield]opt )
Statement[?Yield, ?Return]
for ( LexicalDeclaration[~In, ?Yield] Expression[+In, ?Yield]opt ;
Expression[+In, ?Yield]opt) Statement[?Yield, ?Return]
--- |
819 |
- |
| head-let-fresh-binding-per-iteration.js |
---
es6id: 13.6.4.13
description: >
let ForDeclaration: creates a fresh binding per iteration
--- |
364 |
- |
| head-lhs-let.js |
---
esid: sec-iteration-statements
es6id: 13.7
description: >
The `let` token is interpreted as an Identifier when it is not followed by a
`[` token
info: |
Syntax
IterationStatement[Yield, Return]:
for ( [lookahead ∉ { let [ } ] Expression[~In, ?Yield]opt ;
Expression[+In, ?Yield]opt ; Expression[+In, ?Yield]opt )
Statement[?Yield, ?Return]
for ( LexicalDeclaration[~In, ?Yield] Expression[+In, ?Yield]opt ;
Expression[+In, ?Yield]opt) Statement[?Yield, ?Return]
flags: [noStrict]
--- |
938 |
- |
| head-var-bound-names-in-stmt.js |
---
description: The body may re-declare variables declared in the head
esid: sec-for-statement
es6id: 13.7.4
--- |
393 |
- |
| labelled-fn-stmt-const.js |
---
description: It is a Syntax Error if IsLabelledFunction(Statement) is true.
negative:
phase: parse
type: SyntaxError
esid: sec-semantics-static-semantics-early-errors
es6id: 13.7.1.1
info: |
Although Annex B describes an extension which permits labelled function
declarations outside of strict mode, this early error is applied regardless
of the language mode.
--- |
642 |
- |
| labelled-fn-stmt-expr.js |
---
description: It is a Syntax Error if IsLabelledFunction(Statement) is true.
negative:
phase: parse
type: SyntaxError
esid: sec-semantics-static-semantics-early-errors
es6id: 13.7.1.1
info: |
Although Annex B describes an extension which permits labelled function
declarations outside of strict mode, this early error is applied regardless
of the language mode.
--- |
636 |
- |
| labelled-fn-stmt-let.js |
---
description: It is a Syntax Error if IsLabelledFunction(Statement) is true.
negative:
phase: parse
type: SyntaxError
esid: sec-semantics-static-semantics-early-errors
es6id: 13.7.1.1
info: |
Although Annex B describes an extension which permits labelled function
declarations outside of strict mode, this early error is applied regardless
of the language mode.
--- |
640 |
- |
| labelled-fn-stmt-var.js |
---
description: It is a Syntax Error if IsLabelledFunction(Statement) is true.
negative:
phase: parse
type: SyntaxError
esid: sec-semantics-static-semantics-early-errors
es6id: 13.7.1.1
info: |
Although Annex B describes an extension which permits labelled function
declarations outside of strict mode, this early error is applied regardless
of the language mode.
--- |
640 |
- |
| let-array-with-newline.js |
---
esid: sec-for-statement
description: >
ExpressionStatement has a lookahead restriction for `let [`.
info: |
ExpressionStatement[Yield, Await] :
[lookahead ∉ { {, function, async [no LineTerminator here] function, class, let [ }]
Expression[+In, ?Yield, ?Await] ;
negative:
phase: parse
type: SyntaxError
flags: [noStrict]
--- |
572 |
- |
| let-block-with-newline.js |
---
esid: sec-for-statement
description: >
ExpressionStatement doesn't have a lookahead restriction for `let {`.
info: |
ExpressionStatement[Yield, Await] :
[lookahead ∉ { {, function, async [no LineTerminator here] function, class, let [ }]
Expression[+In, ?Yield, ?Await] ;
flags: [noStrict]
--- |
478 |
- |
| let-identifier-with-newline.js |
---
esid: sec-for-statement
description: >
ExpressionStatement doesn't have a lookahead restriction for `let <binding-identifier>`.
info: |
ExpressionStatement[Yield, Await] :
[lookahead ∉ { {, function, async [no LineTerminator here] function, class, let [ }]
Expression[+In, ?Yield, ?Await] ;
flags: [noStrict]
--- |
501 |
- |
| S12.6.3_A1.js |
---
info: |
The "for {;;}" for Statement with empty expressions is allowed and leads
to performing an infinite loop
es5id: 12.6.3_A1
description: Breaking an infinite loop by throwing exception
--- |
975 |
- |
| S12.6.3_A2.1.js |
---
info: |
While evaluating "for (ExpressionNoIn ; ; Expression) Statement",
Statement is evaulated first
es5id: 12.6.3_A2.1
description: Using "(function(){throw "NoInExpression"})()" as ExpressionNoIn
--- |
891 |
- |
| S12.6.3_A2.2.js |
---
info: |
While evaluating "for (ExpressionNoIn;;) Statement", Statement is
evaulated first
es5id: 12.6.3_A2.2
description: Using "(function(){throw "NoInExpression"})()" as ExpressionNoIn
--- |
826 |
- |
| S12.6.3_A2.js |
---
info: |
While evaluating "for (ExpressionNoIn; Expression; Expression)
Statement", ExpressionNoIn is evaulated first
es5id: 12.6.3_A2
description: Using "(function(){throw "NoInExpression"})()" as ExpressionNoIn
--- |
1231 |
- |
| S12.6.3_A3.js |
---
info: |
While evaluating "for (ExpressionNoIn; FirstExpression; SecondExpression)
Statement", ExpressionNoIn is evaulated first, FirstExpressoin is
evaluated second
es5id: 12.6.3_A3
description: Using "(function(){throw "FirstExpression"})()" as FirstExpression
--- |
1824 |
- |
| S12.6.3_A4.1.js |
---
info: |
"in"-expression is not allowed as a ExpressionNoIn in "for
(ExpressionNoIn; FirstExpression; SecondExpression) Statement"
IterationStatement
es5id: 12.6.3_A4.1
description: Checking if execution of "for (var a in arr;1;){}" fails
negative:
phase: parse
type: SyntaxError
--- |
727 |
- |
| S12.6.3_A4_T1.js |
---
info: |
"in"-expression is not allowed as a ExpressionNoIn in "for
(ExpressionNoIn; FirstExpression; SecondExpression) Statement"
IterationStatement
es5id: 12.6.3_A4_T1
description: Checking if execution of "for (a in arr;1;){}" fails
negative:
phase: parse
type: SyntaxError
--- |
720 |
- |
| S12.6.3_A4_T2.js |
---
info: |
"in"-expression is not allowed as a ExpressionNoIn in "for
(ExpressionNoIn; FirstExpression; SecondExpression) Statement"
IterationStatement
es5id: 12.6.3_A4_T2
description: Checking if execution of "for (1 in arr;1;){}" fails
negative:
phase: parse
type: SyntaxError
--- |
720 |
- |
| S12.6.3_A5.js |
---
info: |
"in"-expression wrapped into "eval" statement is allowed as a
ExpressionNoIn in "for (ExpressionNoIn; FirstExpression;
SecondExpression) Statement" IterationStatement
es5id: 12.6.3_A5
description: Using eval "for(eval("i in arr");1;)"
--- |
1423 |
- |
| S12.6.3_A6.js |
---
info: |
While evaluating "for ( ; ; Expression) Statement", Statement is
evaluated first and then Expression is evaluated
es5id: 12.6.3_A6
description: Using "(function(){throw "SecondExpression";})()" as an Expression
--- |
1183 |
- |
| S12.6.3_A7.1_T1.js |
---
info: |
Only three expressions and two semicolons in "for(with var)" braces are allowed.
Appearing of for (ExpressionNoIn_opt ; Expression_opt ; Expression_opt; Expression_opt; Expression_opt;) statement leads to SyntaxError
es5id: 12.6.3_A7.1_T1
description: >
Checking if execution of "for(var index=0; index<10; index++;
index--)" fails
negative:
phase: parse
type: SyntaxError
--- |
823 |
- |
| S12.6.3_A7.1_T2.js |
---
info: |
Only three expressions and two semicolons in "for(with var)" braces are allowed.
Appearing of for (ExpressionNoIn_opt ; Expression_opt ; Expression_opt; Expression_opt; Expression_opt;) statement leads to SyntaxError
es5id: 12.6.3_A7.1_T2
description: >
Checking if execution of "for(var index=0; index<10; index+=4;
index++; index--)" fails
negative:
phase: parse
type: SyntaxError
--- |
844 |
- |
| S12.6.3_A7_T1.js |
---
info: |
Only three expressions and two semicolons in "for" braces are allowed.
Appearing of for (ExpressionNoIn_opt ; Expression_opt ; Expression_opt; Expression_opt; Expression_opt;) statement leads to SyntaxError
es5id: 12.6.3_A7_T1
description: >
Checking if execution of "for(index=0; index<10; index++;
index--)" fails
negative:
phase: parse
type: SyntaxError
--- |
804 |
- |
| S12.6.3_A7_T2.js |
---
info: |
Only three expressions and two semicolons in "for" braces are allowed.
Appearing of for (ExpressionNoIn_opt ; Expression_opt ; Expression_opt; Expression_opt; Expression_opt;) statement leads to SyntaxError
es5id: 12.6.3_A7_T2
description: >
Checking if execution of "for(index=0; index<10; index+=4;
index++; index--)" fails
negative:
phase: parse
type: SyntaxError
--- |
824 |
- |
| S12.6.3_A8.1_T1.js |
---
info: Blocks within "for(with var)" braces are not allowed
es5id: 12.6.3_A8.1_T1
description: >
Checking if execution of "for(var index=0; index<100; {index++;
index*2;}) { arr.add(""+index);}" fails
negative:
phase: parse
type: SyntaxError
--- |
717 |
- |
| S12.6.3_A8.1_T2.js |
---
info: Blocks within "for(with var)" braces are not allowed
es5id: 12.6.3_A8.1_T2
description: >
Checking if execution of "for(var index=0; {index++;index<100;};
index*2;) { arr.add(""+index);}" fails
negative:
phase: parse
type: SyntaxError
--- |
717 |
- |
| S12.6.3_A8.1_T3.js |
---
info: Blocks within "for(with var)" braces are not allowed
es5id: 12.6.3_A8.1_T3
description: >
Checking if execution of "for({var index=0; index+=1;}
index++<=10; index*2;) { arr.add(""+index);}" fails
negative:
phase: parse
type: SyntaxError
--- |
722 |
- |
| S12.6.3_A8_T1.js |
---
info: Blocks within "for" braces are not allowed
es5id: 12.6.3_A8_T1
description: >
Checking if execution of "for(index=0; index<100; {index++;
index*2;}) { arr.add(""+index);}" fails
negative:
phase: parse
type: SyntaxError
--- |
697 |
- |
| S12.6.3_A8_T2.js |
---
info: Blocks within "for" braces are not allowed
es5id: 12.6.3_A8_T2
description: >
Checking if execution of "for(index=0; {index++;index<100;};
index*2;) { arr.add(""+index);}" fails
negative:
phase: parse
type: SyntaxError
--- |
697 |
- |
| S12.6.3_A8_T3.js |
---
info: Blocks within "for" braces are not allowed
es5id: 12.6.3_A8_T3
description: >
Checking if execution of "for({index=0; index+=1;} index++<=10;
index*2;) { arr.add(""+index);}" fails
negative:
phase: parse
type: SyntaxError
--- |
702 |
- |
| S12.6.3_A9.1.js |
---
info: |
The result of evaluating "for( ExpNoIn;Exp;Exp)" loop is returning
(normal, evalValue, empty)
es5id: 12.6.3_A9.1
description: Using eval
--- |
858 |
- |
| S12.6.3_A9.js |
---
info: |
The result of evaluating "for(var ExpNoIn;Exp;Exp)" loop is returning
(normal, evalValue, empty)
es5id: 12.6.3_A9
description: Using eval
--- |
860 |
- |
| S12.6.3_A10.1_T1.js |
---
info: Nested "var-loops" nine blocks depth is evaluated properly
es5id: 12.6.3_A10.1
description: >
Checking if executing nested "var-loops" nine blocks depth is
evaluated properly
flags: [noStrict]
--- |
3594 |
- |
| S12.6.3_A10.1_T2.js |
---
info: Nested "var-loops" nine blocks depth is evaluated properly
es5id: 12.6.3_A10.1
description: >
Checking if executing nested "var-loops" nine blocks depth is
evaluated properly
--- |
3612 |
- |
| S12.6.3_A10_T1.js |
---
info: Nested "var-loops" nine blocks depth is evaluated properly
es5id: 12.6.3_A10
description: >
Checking if executing nested "var-loops" nine blocks depth is
evaluated properly
flags: [noStrict]
--- |
1904 |
- |
| S12.6.3_A10_T2.js |
---
info: Nested "var-loops" nine blocks depth is evaluated properly
es5id: 12.6.3_A10
description: >
Checking if executing nested "var-loops" nine blocks depth is
evaluated properly
--- |
1970 |
- |
| S12.6.3_A11.1_T1.js |
---
info: |
If (Evaluate Statement).type is "continue" and (Evaluate
Statement).target is in the current label set, iteration of labeled
"var-loop" breaks
es5id: 12.6.3_A11.1_T1
description: Using "continue" in order to continue a loop
--- |
579 |
- |
| S12.6.3_A11.1_T2.js |
---
info: |
If (Evaluate Statement).type is "continue" and (Evaluate
Statement).target is in the current label set, iteration of labeled
"var-loop" breaks
es5id: 12.6.3_A11.1_T2
description: Embedded loops
--- |
1807 |
- |
| S12.6.3_A11.1_T3.js |
---
info: |
If (Evaluate Statement).type is "continue" and (Evaluate
Statement).target is in the current label set, iteration of labeled
"var-loop" breaks
es5id: 12.6.3_A11.1_T3
description: Trying to continue non-existent label
negative:
phase: parse
type: SyntaxError
--- |
856 |
- |
| S12.6.3_A11_T1.js |
---
info: |
If (Evaluate Statement).type is "continue" and (Evaluate
Statement).target is in the current label set, iteration of labeled loop
breaks
es5id: 12.6.3_A11_T1
description: Simple test of continue loop with using "continue"
--- |
580 |
- |
| S12.6.3_A11_T2.js |
---
info: |
If (Evaluate Statement).type is "continue" and (Evaluate
Statement).target is in the current label set, iteration of labeled loop
breaks
es5id: 12.6.3_A11_T2
description: Embedded loops
--- |
1791 |
- |
| S12.6.3_A11_T3.js |
---
info: |
If (Evaluate Statement).type is "continue" and (Evaluate
Statement).target is in the current label set, iteration of labeled loop
breaks
es5id: 12.6.3_A11_T3
description: Trying to continue non-existent label
negative:
phase: parse
type: SyntaxError
--- |
839 |
- |
| S12.6.3_A12.1_T1.js |
---
info: |
If (Evaluate Statement).type is "break" and (Evaluate Statement).target
is in the current label set, (normal, (Evaluate Statement), empty) is
returned while evaluating a "var-loop"
es5id: 12.6.3_A12.1_T1
description: Breaking a loop with "break"
--- |
600 |
- |
| S12.6.3_A12.1_T2.js |
---
info: |
If (Evaluate Statement).type is "break" and (Evaluate Statement).target
is in the current label set, (normal, (Evaluate Statement), empty) is
returned while evaluating a "var-loop"
es5id: 12.6.3_A12.1_T2
description: Embedded loops
--- |
1809 |
- |
| S12.6.3_A12.1_T3.js |
---
info: |
If (Evaluate Statement).type is "break" and (Evaluate Statement).target
is in the current label set, (normal, (Evaluate Statement), empty) is
returned while evaluating a "var-loop"
es5id: 12.6.3_A12.1_T3
description: Trying to break non-existent label
negative:
phase: parse
type: SyntaxError
--- |
888 |
- |
| S12.6.3_A12_T1.js |
---
info: |
If (Evaluate Statement).type is "break" and (Evaluate Statement).target
is in the current label set, (normal, (Evaluate Statement), empty) is
returned while evaluating a loop
es5id: 12.6.3_A12_T1
description: Breaking a loop with "break"
--- |
592 |
- |
| S12.6.3_A12_T2.js |
---
info: |
If (Evaluate Statement).type is "break" and (Evaluate Statement).target
is in the current label set, (normal, (Evaluate Statement), empty) is
returned while evaluating a loop
es5id: 12.6.3_A12_T2
description: Embedded loops
--- |
1793 |
- |
| S12.6.3_A12_T3.js |
---
info: |
If (Evaluate Statement).type is "break" and (Evaluate Statement).target
is in the current label set, (normal, (Evaluate Statement), empty) is
returned while evaluating a loop
es5id: 12.6.3_A12_T3
description: Trying to break non-existent label
negative:
phase: parse
type: SyntaxError
--- |
873 |
- |
| S12.6.3_A13.js |
---
info: |
VariableDeclaration in "var VariableDeclarationListNoIn" of for
IterationStatement is allowed
es5id: 12.6.3_A13
description: Declaring variable in "for" ExpressionNoIn
--- |
693 |
- |
| S12.6.3_A14.js |
---
info: |
The production IterationStatement: "for (var VariableDeclarationListNoIn;
Expression; Expression) Statement"
es5id: 12.6.3_A14
description: Using +,*,/, as the second Expression
--- |
1110 |
- |
| S12.6.3_A15.js |
---
info: |
The production IterationStatement: "for (var VariableDeclarationListNoIn;
Expression; Expression) Statement"
es5id: 12.6.3_A15
description: Statement must be evaluated before second Expression is evaluated
--- |
557 |
- |
| scope-body-lex-boundary.js |
---
esid: sec-for-statement-runtime-semantics-labelledevaluation
description: >
Creation of new lexical environment for each evaluation of the statement
body
info: |
[...]
11. Let bodyResult be ForBodyEvaluation(the first Expression, the second
Expression, Statement, perIterationLets, labelSet).
[...]
13.7.4.8 Runtime Semantics: ForBodyEvaluation
[...]
3. Repeat
[...]
b. Let result be the result of evaluating stmt.
[...]
e. Perform ? CreatePerIterationEnvironment(perIterationBindings).
[...]
13.7.4.9 Runtime Semantics: CreatePerIterationEnvironment
1. If perIterationBindings has any elements, then
[...]
e. Let thisIterationEnv be NewDeclarativeEnvironment(outer).
f. Let thisIterationEnvRec be thisIterationEnv's EnvironmentRecord.
features: [let]
--- |
1308 |
- |
| scope-body-lex-open.js |
---
esid: sec-for-statement-runtime-semantics-labelledevaluation
description: >
Creation of new lexical environment for the initial evaluation of the
statement body
info: |
[...]
11. Let bodyResult be ForBodyEvaluation(the first Expression, the second
Expression, Statement, perIterationLets, labelSet).
[...]
13.7.4.8 Runtime Semantics: ForBodyEvaluation
[...]
2. Perform ? CreatePerIterationEnvironment(perIterationBindings).
3. Repeat
[...]
b. Let result be the result of evaluating stmt.
[...]
[...]
13.7.4.9 Runtime Semantics: CreatePerIterationEnvironment
1. If perIterationBindings has any elements, then
[...]
e. Let thisIterationEnv be NewDeclarativeEnvironment(outer).
f. Let thisIterationEnvRec be thisIterationEnv's EnvironmentRecord.
features: [let]
--- |
1590 |
- |
| scope-body-var-none.js |
---
esid: sec-for-statement-runtime-semantics-labelledevaluation
description: >
No variable environment is created for each evaluation of the statement
body
info: |
[...]
11. Let bodyResult be ForBodyEvaluation(the first Expression, the second
Expression, Statement, perIterationLets, labelSet).
[...]
13.7.4.8 Runtime Semantics: ForBodyEvaluation
[...]
2. Perform ? CreatePerIterationEnvironment(perIterationBindings).
3. Repeat
[...]
b. Let result be the result of evaluating stmt.
[...]
e. Perform ? CreatePerIterationEnvironment(perIterationBindings).
[...]
13.7.4.9 Runtime Semantics: CreatePerIterationEnvironment
1. If perIterationBindings has any elements, then
[...]
e. Let thisIterationEnv be NewDeclarativeEnvironment(outer).
f. Let thisIterationEnvRec be thisIterationEnv's EnvironmentRecord.
flags: [noStrict]
--- |
2834 |
- |
| scope-head-lex-close.js |
---
esid: sec-for-statement-runtime-semantics-labelledevaluation
description: Removal of lexical environment for the statement "head"
info: |
[...]
2. Let loopEnv be NewDeclarativeEnvironment(oldEnv).
3. Let loopEnvRec be loopEnv's EnvironmentRecord.
4. Let isConst be the result of performing IsConstantDeclaration of
LexicalDeclaration.
5. Let boundNames be the BoundNames of LexicalDeclaration.
6. For each element dn of boundNames do
a. If isConst is true, then
i. Perform ! loopEnvRec.CreateImmutableBinding(dn, true).
b. Else,
i. Perform ! loopEnvRec.CreateMutableBinding(dn, false).
7. Set the running execution context's LexicalEnvironment to loopEnv.
[...]
12. Set the running execution context's LexicalEnvironment to oldEnv.
13. Return Completion(bodyResult).
features: [let]
--- |
1527 |
- |
| scope-head-lex-open.js |
---
esid: sec-for-statement-runtime-semantics-labelledevaluation
description: Creation of new lexical environment for the statement "head"
info: |
[...]
2. Let loopEnv be NewDeclarativeEnvironment(oldEnv).
3. Let loopEnvRec be loopEnv's EnvironmentRecord.
4. Let isConst be the result of performing IsConstantDeclaration of
LexicalDeclaration.
5. Let boundNames be the BoundNames of LexicalDeclaration.
6. For each element dn of boundNames do
a. If isConst is true, then
i. Perform ! loopEnvRec.CreateImmutableBinding(dn, true).
b. Else,
i. Perform ! loopEnvRec.CreateMutableBinding(dn, false).
7. Set the running execution context's LexicalEnvironment to loopEnv.
[...]
features: [let]
--- |
1606 |
- |
| scope-head-var-none.js |
---
esid: sec-for-statement-runtime-semantics-labelledevaluation
description: No variable environment is created for the statement "head"
info: |
[...]
2. Let loopEnv be NewDeclarativeEnvironment(oldEnv).
3. Let loopEnvRec be loopEnv's EnvironmentRecord.
4. Let isConst be the result of performing IsConstantDeclaration of
LexicalDeclaration.
5. Let boundNames be the BoundNames of LexicalDeclaration.
6. For each element dn of boundNames do
a. If isConst is true, then
i. Perform ! loopEnvRec.CreateImmutableBinding(dn, true).
b. Else,
i. Perform ! loopEnvRec.CreateMutableBinding(dn, false).
7. Set the running execution context's LexicalEnvironment to loopEnv.
[...]
12. Set the running execution context's LexicalEnvironment to oldEnv.
13. Return Completion(bodyResult).
flags: [noStrict]
--- |
1654 |
- |
| tco-const-body.js |
---
description: Statement within statement is a candidate for tail-call optimization.
esid: sec-static-semantics-hascallintailposition
flags: [onlyStrict]
features: [tail-call-optimization]
includes: [tcoHelper.js]
--- |
554 |
- |
| tco-let-body.js |
---
description: Statement within statement is a candidate for tail-call optimization.
esid: sec-static-semantics-hascallintailposition
flags: [onlyStrict]
features: [tail-call-optimization]
includes: [tcoHelper.js]
--- |
552 |
- |
| tco-lhs-body.js |
---
description: Statement within statement is a candidate for tail-call optimization.
esid: sec-static-semantics-hascallintailposition
flags: [onlyStrict]
features: [tail-call-optimization]
includes: [tcoHelper.js]
--- |
566 |
- |
| tco-var-body.js |
---
description: Statement within statement is a candidate for tail-call optimization.
esid: sec-static-semantics-hascallintailposition
flags: [onlyStrict]
features: [tail-call-optimization]
includes: [tcoHelper.js]
--- |
552 |
- |