dotCooCoo 6bb3d3dfbe JavaScript: a for-in variable initializer is a SyntaxError in strict mode code ...

Current test262 (ECMA-262 2017 Annex B.3.6) accepts `for (var x = 1 in o)` only outside strict
mode code. The parser now rejects the initializer in strict code, with the error at `in`.

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..

src

JavaScript: a for-in variable initializer is a SyntaxError in strict mode code

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tests

JavaScript: parser for ES5 scripts, with cargo xtask test262

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Cargo.toml

JavaScript: parser for ES5 scripts, with cargo xtask test262

2026-11-07 10:29:51 -08:00