| mapped-arguments-nonconfigurable-1.js |
---
info: Mapped arguments object with non-configurable property
description: >
Mapped value is not changed when property was made non-configurable.
flags: [noStrict]
--- |
509 |
- |
| mapped-arguments-nonconfigurable-2.js |
---
info: Mapped arguments object with non-configurable property
description: >
Mapping works when property is non-configurable, variable is
changed with SetMutableBinding.
flags: [noStrict]
--- |
556 |
- |
| mapped-arguments-nonconfigurable-3.js |
---
info: Mapped arguments object with non-configurable property
description: >
Mapping works when property is non-configurable, arguments property
is changed with [[DefineOwnProperty]].
flags: [noStrict]
--- |
614 |
- |
| mapped-arguments-nonconfigurable-4.js |
---
info: Mapped arguments object with non-configurable property
description: >
Mapping works when property is non-configurable, arguments property
is changed with [[Set]].
flags: [noStrict]
--- |
539 |
- |
| mapped-arguments-nonconfigurable-delete-1.js |
---
info: Mapped arguments object with non-configurable property
description: >
Mapping works when property is non-configurable, arguments property
was not deleted. [[Delete]] operation returns false.
flags: [noStrict]
--- |
601 |
- |
| mapped-arguments-nonconfigurable-delete-2.js |
---
info: Mapped arguments object with non-configurable property
description: >
Mapping works when property is non-configurable, arguments property
was not deleted. Variable is changed with SetMutableBinding.
flags: [noStrict]
--- |
786 |
- |
| mapped-arguments-nonconfigurable-delete-3.js |
---
info: Mapped arguments object with non-configurable property
description: >
Mapping works when property is non-configurable, arguments property
was not deleted. Arguments property is changed with
[[DefineOwnProperty]].
flags: [noStrict]
--- |
848 |
- |
| mapped-arguments-nonconfigurable-delete-4.js |
---
info: Mapped arguments object with non-configurable property
description: >
Mapping works when property is non-configurable, arguments property
was not deleted. Arguments property is changed with
[[Set]].
flags: [noStrict]
--- |
773 |
- |
| mapped-arguments-nonconfigurable-nonwritable-1.js |
---
info: Mapped arguments object with non-configurable property
description: >
Mapped arguments property is changed to non-configurable and
non-writable. Perform property attribute changes with a single
[[DefineOwnProperty]] call. Mapped values are unchanged, mapping
itself is removed.
flags: [noStrict]
--- |
827 |
- |
| mapped-arguments-nonconfigurable-nonwritable-2.js |
---
info: Mapped arguments object with non-configurable property
description: >
Mapped arguments property is changed to non-configurable and
non-writable. Perform property attribute changes with two
consecutive [[DefineOwnProperty]] calls. Mapped values are
unchanged, mapping itself is removed.
flags: [noStrict]
--- |
880 |
- |
| mapped-arguments-nonconfigurable-nonwritable-3.js |
---
info: Mapped arguments object with non-configurable property
description: >
Mapped arguments property is changed to non-configurable and
non-writable. Perform property attribute changes with two
[[DefineOwnProperty]] calls. Add intervening call to
SetMutableBinding.
flags: [noStrict]
--- |
1075 |
- |
| mapped-arguments-nonconfigurable-nonwritable-4.js |
---
info: Mapped arguments object with non-configurable property
description: >
Mapped arguments property is changed to non-configurable and
non-writable. Perform property attribute changes with two
[[DefineOwnProperty]] calls. Add intervening call to [[Set]].
flags: [noStrict]
--- |
897 |
- |
| mapped-arguments-nonconfigurable-nonwritable-5.js |
---
info: Mapped arguments object with non-configurable property
description: >
Mapped arguments property is changed to non-configurable and
non-writable. Perform property attribute changes with two
[[DefineOwnProperty]] calls. Add intervening call to
[[DefineOwnProperty]].
flags: [noStrict]
--- |
954 |
- |
| mapped-arguments-nonconfigurable-strict-delete-1.js |
---
info: Mapped arguments object with non-configurable property
description: >
Mapping works when property is non-configurable, arguments property
was not deleted. [[Delete]] operations throws TypeError if called
from strict-mode code.
flags: [noStrict]
--- |
703 |
- |
| mapped-arguments-nonconfigurable-strict-delete-2.js |
---
info: Mapped arguments object with non-configurable property
description: >
Mapping works when property is non-configurable, arguments property
was not deleted. [[Delete]] operations throws TypeError if called
from strict-mode code. Variable is changed with SetMutableBinding.
flags: [noStrict]
--- |
924 |
- |
| mapped-arguments-nonconfigurable-strict-delete-3.js |
---
info: Mapped arguments object with non-configurable property
description: >
Mapping works when property is non-configurable, arguments property
was not deleted. [[Delete]] operations throws TypeError if called
from strict-mode code. Arguments property is changed with
[[DefineOwnProperty]].
flags: [noStrict]
--- |
986 |
- |
| mapped-arguments-nonconfigurable-strict-delete-4.js |
---
info: Mapped arguments object with non-configurable property
description: >
Mapping works when property is non-configurable, arguments property
was not deleted. [[Delete]] operations throws TypeError if called
from strict-mode code. Arguments property is changed with [[Set]].
flags: [noStrict]
--- |
907 |
- |
| mapped-arguments-nonwritable-nonconfigurable-1.js |
---
info: Mapped arguments object with non-configurable property
description: >
Mapped arguments property is changed to non-writable and
non-configurable. Perform property attribute changes with two
consecutive [[DefineOwnProperty]] calls. Mapped values are
unchanged, mapping itself is removed.
flags: [noStrict]
--- |
880 |
- |
| mapped-arguments-nonwritable-nonconfigurable-2.js |
---
info: Mapped arguments object with non-configurable property
description: >
Mapped arguments property is changed to non-writable and
non-configurable. Perform property attribute changes with two
[[DefineOwnProperty]] calls. Add intervening call to
SetMutableBinding.
flags: [noStrict]
--- |
928 |
- |
| mapped-arguments-nonwritable-nonconfigurable-3.js |
---
info: Mapped arguments object with non-configurable property
description: >
Mapped arguments property is changed to non-writable and
non-configurable. Perform property attribute changes with two
[[DefineOwnProperty]] calls. Add intervening call to [[Set]].
flags: [noStrict]
--- |
897 |
- |
| mapped-arguments-nonwritable-nonconfigurable-4.js |
---
info: Mapped arguments object with non-configurable property
description: >
Mapped arguments property is changed to non-writable and
non-configurable. Perform property attribute changes with two
[[DefineOwnProperty]] calls. Add intervening call to
[[DefineOwnProperty]].
flags: [noStrict]
--- |
976 |
- |
| nonconfigurable-descriptors-basic.js |
---
description: Mapped arguments object with non-configurable property property descriptor behavior
info: |
Descriptor of a mapped value is updated when property is made non-configurable.
flags: [noStrict]
esid: sec-arguments-exotic-objects-defineownproperty-p-desc
includes: [propertyHelper.js]
--- |
807 |
- |
| nonconfigurable-descriptors-set-value-by-arguments.js |
---
description: Mapped arguments property descriptor change with non-configurable property
info: |
Mapping keep working when property is set to non-configurable and its
value is changed using arguments[i] where "i" is the argument index.
flags: [noStrict]
esid: sec-arguments-exotic-objects-defineownproperty-p-desc
includes: [propertyHelper.js]
--- |
905 |
- |
| nonconfigurable-descriptors-set-value-with-define-property.js |
---
description: Mapped arguments property descriptor change with non-configurable property
info: |
Mapping keep working when property is set to non-configurable and its
value is changed using [[DefineOwnProperty]].
flags: [noStrict]
esid: sec-arguments-exotic-objects-defineownproperty-p-desc
includes: [propertyHelper.js]
--- |
945 |
- |
| nonconfigurable-descriptors-with-param-assign.js |
---
description: Property descriptor of mapped arguments object with non-configurable property
info: |
Mapping keep working when property is set to non-configurable, and its
descriptor needs to change properly.
flags: [noStrict]
esid: sec-arguments-exotic-objects-defineownproperty-p-desc
includes: [propertyHelper.js]
--- |
853 |
- |
| nonconfigurable-nonenumerable-nonwritable-descriptors-basic.js |
---
description: Mapped arguments property descriptor change with non-configurable, non-enumerable and non-writable property
info: |
Mapping stop working when property is set to non-writable. The
descriptor's enumerable property is the one set before the mapping removal.
flags: [noStrict]
esid: sec-arguments-exotic-objects-defineownproperty-p-desc
includes: [propertyHelper.js]
--- |
953 |
- |
| nonconfigurable-nonenumerable-nonwritable-descriptors-set-by-arguments.js |
---
description: Mapped arguments property descriptor change to non-configurable, non-enumerable and non-writable
info: |
Change the descriptor using [[DefineOwnProperty]] to {configurable: false, enumerable: false},
set arguments[0] = 2 and then change property descriptor to {writable: false}.
The descriptor's enumerable property is the one set before the mapping removal.
flags: [noStrict]
esid: sec-arguments-exotic-objects-defineownproperty-p-desc
includes: [propertyHelper.js]
--- |
1388 |
- |
| nonconfigurable-nonenumerable-nonwritable-descriptors-set-by-param.js |
---
description: Mapped arguments property descriptor change to non-configurable, non-enumerable and non-writable
info: |
Change the descriptor using [[DefineOwnProperty]] to
{configurable: false, enumerable: false}, set a = 2 and then
change property descriptor to {writable: false}. The descriptor's enumerable
property need to be the one set before the mapping removal.
flags: [noStrict]
esid: sec-arguments-exotic-objects-defineownproperty-p-desc
includes: [propertyHelper.js]
--- |
1352 |
- |
| nonconfigurable-nonwritable-descriptors-basic.js |
---
description: Mapped arguments property descriptor change with non-configurable and non-writable property
info: |
Mapping stop working when property is set to non-writable. The
descriptor's value need to be the one set before the property be configured as
writable: false.
flags: [noStrict]
esid: sec-arguments-exotic-objects-defineownproperty-p-desc
includes: [propertyHelper.js]
--- |
939 |
- |
| nonconfigurable-nonwritable-descriptors-define-property-consecutive.js |
---
description: Mapped arguments property descriptor change with non-configurable and non-writable property
info: |
Mapping stop working when property is set to non-writable. Change the
descriptor with two [[DefineOwnProperty]] calls. The descriptor's value need to be
the one set before the property be configured as writable: false.
flags: [noStrict]
esid: sec-arguments-exotic-objects-defineownproperty-p-desc
includes: [propertyHelper.js]
--- |
1277 |
- |
| nonconfigurable-nonwritable-descriptors-set-by-arguments.js |
---
description: Mapped arguments property descriptor change to non-configurable and non-writable
info: |
Mapping just stop working when property is set to non-writable. Change the
descriptor using [[DefineOwnProperty]] to {configurable: false}, set arguments[0] = 2
and then change property descriptor to {writable: false}.
The descriptor's value need to be the one set before the property be
configured as {writable: false}.
flags: [noStrict]
esid: sec-arguments-exotic-objects-defineownproperty-p-desc
includes: [propertyHelper.js]
--- |
1420 |
- |
| nonconfigurable-nonwritable-descriptors-set-by-param.js |
---
description: Mapped arguments property descriptor change to non-configurable and non-writable
info: |
Mapping just stop working when property is set to non-writable. Change the
descriptor using [[DefineOwnProperty]] to {configurable: false}, set a = 2 and then
change property descriptor to {writable: false}. The descriptor's value is
the one set before the property be configured as {writable: false}.
flags: [noStrict]
esid: sec-arguments-exotic-objects-defineownproperty-p-desc
includes: [propertyHelper.js]
--- |
1362 |
- |
| nonwritable-nonconfigurable-descriptors-basic.js |
---
description: Mapped arguments property descriptor change to non-writable and non-configurable
info: |
Mapping stop working when property is set to non-writable. Here we change the
descriptor using [[DefineOwnProperty]] to {writable: false} and then
change property descriptor to {configurable: false} in sequence.
The property descriptor need to be the one set before the property be
configured as {writable: false}.
flags: [noStrict]
esid: sec-arguments-exotic-objects-defineownproperty-p-desc
includes: [propertyHelper.js]
--- |
1416 |
- |
| nonwritable-nonconfigurable-descriptors-set-by-arguments.js |
---
description: Mapped arguments property descriptor change to non-writable and non-configurable
info: |
Mapping stop working when property is set to non-writable. Change the
descriptor using [[DefineOwnProperty]] to {writable: false}, set argument[0] = 2 and then
change property descriptor to {configurable: false}.
The descriptor's value is the one set before the property be
configured as {writable: false} because mapping was removed.
flags: [noStrict]
esid: sec-arguments-exotic-objects-defineownproperty-p-desc
includes: [propertyHelper.js]
--- |
1435 |
- |
| nonwritable-nonconfigurable-descriptors-set-by-param.js |
---
description: Mapped arguments property descriptor change to non-writable and non-configurable
info: |
Mapping just stop working when property is set to non-writable. Change the
descriptor using [[DefineOwnProperty]] to {writable: false}, set a = 2 and then
change property descriptor to {configurable: false}.
The descriptor's value is the one set before the property be
configured as {writable: false} because mapping was removed.
flags: [noStrict]
esid: sec-arguments-exotic-objects-defineownproperty-p-desc
includes: [propertyHelper.js]
--- |
1098 |
- |
| nonwritable-nonenumerable-nonconfigurable-descriptors-basic.js |
---
description: Mapped arguments property descriptor change to non-writable and non-configurable
info: |
Change the descriptor using [[DefineOwnProperty]] to
{writable: false, enumerable: false} and then
change property descriptor to {configurable: false}.
The descriptor's enumerable property continue with its configured value
even if mapping stops.
flags: [noStrict]
esid: sec-arguments-exotic-objects-defineownproperty-p-desc
includes: [propertyHelper.js]
--- |
1327 |
- |
| nonwritable-nonenumerable-nonconfigurable-descriptors-set-by-arguments.js |
---
description: Mapped arguments property descriptor change to non-writable, non-enumerable and non-configurable
info: |
Change the descriptor using [[DefineOwnProperty]] to {writable: false, enumerable: false},
set argument[0] = 2 and then change property descriptor to {configurable: false}.
The descriptor's enumerable property continues with its configured value.
flags: [noStrict]
esid: sec-arguments-exotic-objects-defineownproperty-p-desc
includes: [propertyHelper.js]
--- |
1354 |
- |
| nonwritable-nonenumerable-nonconfigurable-descriptors-set-by-define-property.js |
---
description: Mapped arguments property descriptor change to non-writable, non-enumerable and non-configurable
info: |
Change the descriptor using [[DefineOwnProperty]] to
{writable: false, enumerable: false}, change argument[0]
value to 2 using [[DefineOwnProperty]] and then
change property descriptor to {configurable: false}.
The descriptor's enumerable property continues with its configured value.
flags: [noStrict]
esid: sec-arguments-exotic-objects-defineownproperty-p-desc
includes: [propertyHelper.js]
--- |
1087 |
- |
| nonwritable-nonenumerable-nonconfigurable-descriptors-set-by-param.js |
---
description: Mapped arguments property descriptor change to non-writable, non-enumerable and non-configurable
info: |
Change the descriptor using [[DefineOwnProperty]] to
{writable: false, enumerable: false}, set a = 2 and then
change property descriptor to {configurable: false}.
The descriptor's enumerable property continue with its configured value.
flags: [noStrict]
esid: sec-arguments-exotic-objects-defineownproperty-p-desc
includes: [propertyHelper.js]
--- |
1336 |
- |
| Symbol.iterator.js |
---
es6id: 9.4.4.7 S22
description: >
Mapped arguments exotic objects should implement the Array iterator
protocol.
includes: [propertyHelper.js]
flags: [noStrict]
features: [Symbol.iterator]
--- |
683 |
- |