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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
  • test262 Public

    Official ECMAScript Conformance Test Suite

    tc39/test262’s past year of commit activity
    JavaScript 2,576 498 205 (4 issues need help) 65 Updated Aug 21, 2025
  • dataset Public

    The automatic track tc39 proposals

    tc39/dataset’s past year of commit activity
    TypeScript 46 Unlicense 12 2 0 Updated Aug 21, 2025
  • ecma262 Public

    Status, process, and documents for ECMA-262

    tc39/ecma262’s past year of commit activity
    HTML 15,433 1,351 352 (10 issues need help) 135 Updated Aug 20, 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 38 5 Updated Aug 20, 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 738 CC0-1.0 24 22 5 Updated Aug 20, 2025
  • ecma402 Public

    Status, process, and documents for ECMA 402

    tc39/ecma402’s past year of commit activity
    HTML 579 111 155 11 Updated Aug 20, 2025
  • proposal-random-functions Public

    Proposal to add a Random namespace and several additional convenience functions for using randomness.

    tc39/proposal-random-functions’s past year of commit activity
    93 MIT 5 8 0 Updated Aug 15, 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) 1 Updated Aug 14, 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 14, 2025