# ECMAScript proposal: Hash Comments (replacement for Type Annotations)

**URL:** <https://es.discourse.group/t/ecmascript-proposal-hash-comments-replacement-for-type-annotations/2287>\
**Category:** 💡 Ideas\
**Tags:** proposal\
**Created:** [January 24, 2025, 8:40pm UTC](https://es.discourse.group/t/ecmascript-proposal-hash-comments-replacement-for-type-annotations/2287 "2025-01-24T20:40:43Z")\
**Posts on this page:** 1\
**Page:** 2

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**Author:** ![aclaymore](https://yyz2.discourse-cdn.com/free1/user_avatar/es.discourse.group/aclaymore/32/501_2.png) [@aclaymore](https://es.discourse.group/u/aclaymore)\
**Post date:** [April 28, 2025, 6:32pm UTC](https://es.discourse.group/t/ecmascript-proposal-hash-comments-replacement-for-type-annotations/2287/21 "2025-04-28T18:32:33Z")

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Few years old now: [GitHub - tc39/proposal-binary-ast: Binary AST proposal for ECMAScript](https://github.com/tc39/proposal-binary-ast)

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