| star-iterable-return-emulates-undefined-throws-when-called.js |
---
esid: sec-generator-function-definitions-runtime-semantics-evaluation
description: >
If <iterator>.return is an object emulating `undefined` (e.g. `document.all`
in browsers), it shouldn't be treated as if it were actually `undefined` by
the yield* operator.
features: [generators, IsHTMLDDA]
--- |
1055 |
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