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Ecma TC39

Ecma International, Technical Committee 39 - ECMAScript

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  1. ecma262 Public

    Status, process, and documents for ECMA-262

    HTML 15.3k 1.3k

  2. ecma402 Public

    Status, process, and documents for ECMA 402

    HTML 570 108

  3. test262 Public

    Official ECMAScript Conformance Test Suite

    JavaScript 2.5k 487

  4. proposals Public

    Tracking ECMAScript Proposals

    18.7k 730

  5. agendas Public

    TC39 meeting agendas

    JavaScript 1.1k 195

  6. notes Public

    TC39 meeting notes

    JavaScript 672 117

Repositories

Showing 10 of 305 repositories
  • tc39.github.io Public

    Get involved in specifying JavaScript

    HTML 328 MIT 62 26 (3 issues need help) 2 Updated Jun 4, 2025
  • test262 Public

    Official ECMAScript Conformance Test Suite

    JavaScript 2,534 487 202 (4 issues need help) 50 Updated Jun 4, 2025
  • 17 MIT 3 13 1 Updated Jun 4, 2025
  • proposal-intl-era-monthcode Public

    To specify necessary details about era, eraYear and monthCode usage with Temporal in internationalization setting (for calendars other than "iso8601").

    HTML 3 MIT 5 20 0 Updated Jun 4, 2025
  • dataset Public

    The automatic track tc39 proposals

    TypeScript 47 Unlicense 10 2 0 Updated Jun 4, 2025
  • ecma262 Public

    Status, process, and documents for ECMA-262

  • proposal-seeded-random Public

    Proposal for a new SeededPRNG class that yields reproducible sequences of random numbers.

    HTML 174 MIT 6 2 0 Updated Jun 3, 2025
  • proposals Public

    Tracking ECMAScript Proposals

    18,734 730 6 4 Updated Jun 3, 2025
  • proposal-intl-locale-info Public

    An API to expose information of locale, such as week data ( first day of a week, weekend start, weekend end), hour cycle, measurement system, commonly used calendar, etc.

    HTML 60 MIT 13 2 2 Updated Jun 2, 2025
  • template-for-proposals Public template

    A template for ECMAScript proposals

    JavaScript 142 MIT 31 2 2 Updated Jun 2, 2025