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@tc39

Ecma TC39

Ecma International, Technical Committee 39 - ECMAScript

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  1. ecma262 ecma262 Public

    Status, process, and documents for ECMA-262

    HTML 15.4k 1.4k

  2. ecma402 ecma402 Public

    Status, process, and documents for ECMA 402

    HTML 579 111

  3. test262 test262 Public

    Official ECMAScript Conformance Test Suite

    JavaScript 2.6k 498

  4. proposals proposals Public

    Tracking ECMAScript Proposals

    18.9k 738

  5. agendas agendas Public

    TC39 meeting agendas

    JavaScript 1.1k 199

  6. notes notes Public

    TC39 meeting notes

    JavaScript 683 122

Repositories

Showing 10 of 307 repositories
  • dataset Public

    The automatic track tc39 proposals

    tc39/dataset’s past year of commit activity
    TypeScript 46 Unlicense 12 2 0 Updated Aug 25, 2025
  • proposal-math-clamp Public

    A TC39 proposal to add Math.clamp

    tc39/proposal-math-clamp’s past year of commit activity
    92 MIT 1 8 0 Updated Aug 24, 2025
  • proposal-await-dictionary Public

    A proposal to add Promise.ownProperties(), Promise.fromEntries() to ECMAScript

    tc39/proposal-await-dictionary’s past year of commit activity
    HTML 88 MIT 6 6 2 Updated Aug 24, 2025
  • tc39.github.io Public

    Get involved in specifying JavaScript

    tc39/tc39.github.io’s past year of commit activity
    HTML 332 MIT 63 27 (3 issues need help) 2 Updated Aug 23, 2025
  • proposal-intl-era-monthcode Public

    To specify necessary details about era, eraYear and monthCode usage with Temporal for non-ISO calendars.

    tc39/proposal-intl-era-monthcode’s past year of commit activity
    HTML 4 MIT 8 13 4 Updated Aug 23, 2025
  • proposal-temporal Public

    Provides standard objects and functions for working with dates and times.

    tc39/proposal-temporal’s past year of commit activity
    HTML 3,583 169 31 5 Updated Aug 22, 2025
  • test262 Public

    Official ECMAScript Conformance Test Suite

    tc39/test262’s past year of commit activity
    JavaScript 2,581 498 204 (4 issues need help) 65 Updated Aug 22, 2025
  • ecma262 Public

    Status, process, and documents for ECMA-262

    tc39/ecma262’s past year of commit activity
    HTML 15,437 1,355 352 (10 issues need help) 134 Updated Aug 22, 2025
  • proposal-import-bytes Public

    A modest proposal for importing bytes in javascript

    tc39/proposal-import-bytes’s past year of commit activity
    JavaScript 39 MIT 2 3 0 Updated Aug 20, 2025
  • proposal-async-context Public

    Async Context for JavaScript

    tc39/proposal-async-context’s past year of commit activity
    HTML 739 CC0-1.0 24 22 5 Updated Aug 19, 2025
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