Repositories list

• dataset

  Public
  The automatic track tc39 proposals

  tc39

  TypeScript

  •

  The Unlicense

  •10•46•2•0•Updated May 11, 2025May 11, 2025

• tg5

  Public
  TC39-TG5: Experiments in programming language standardization. https://ecma-international.org/task-groups/tc39-tg5/

  3•23•27•1•Updated May 10, 2025May 10, 2025

• agendas

  Public
  TC39 meeting agendas

  JavaScript

  •190•1.1k•0•2•Updated May 9, 2025May 9, 2025

• tc39.github.io

  Public
  Get involved in specifying JavaScript

  HTML

  •

  MIT License

  •62•327•26•0•Updated May 9, 2025May 9, 2025

• ecma262

  Public
  Status, process, and documents for ECMA-262

  javascriptecmascript

  HTML

  •

  Other

  •1.3k•15k•339•122•Updated May 9, 2025May 9, 2025

• test262

  Public
  Official ECMAScript Conformance Test Suite

  jsteststc39+ 1javascript

  JavaScript

  •

  Other

  •486•2.5k•198•49•Updated May 8, 2025May 8, 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

  •

  MIT License

  •13•60•2•2•Updated May 8, 2025May 8, 2025

• proposal-temporal

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

  HTML

  •

  Other

  •164•3.5k•37•7•Updated May 8, 2025May 8, 2025

• proposal-immutable-arraybuffer

  Public
  A TC39 proposal for immutable ArrayBuffers

  JavaScript

  •

  MIT License

  •2•28•6•1•Updated May 8, 2025May 8, 2025

• proposal-upsert

  Public
  ECMAScript Proposal, specs, and reference implementation for Map.prototype.upsert

  MIT License

  •20•274•4•0•Updated May 7, 2025May 7, 2025

• ecma426

  Public
  Source map specification, RFCs and new proposals.

  JavaScript

  •

  Other

  •22•148•59•4•Updated May 7, 2025May 7, 2025

• source-map-tests

  Public
  JavaScript

  •

  Other

  •9•8•7•0•Updated May 6, 2025May 6, 2025

• proposals

  Public
  Tracking ECMAScript Proposals

  languageproposalspec+ 5specificationlanguage-designcommitteejavascriptecmascript

  726•19k•6•4•Updated May 6, 2025May 6, 2025

• ecma402

  Public
  Status, process, and documents for ECMA 402

  HTML

  •

  Other

  •108•568•150•10•Updated May 5, 2025May 5, 2025

• proposal-array-from-async

  Public
  Draft specification for a proposed Array.fromAsync method in JavaScript.

  HTML

  •

  BSD 3-Clause "New" or "Revised" License

  •16•194•3•1•Updated May 1, 2025May 1, 2025

• proposal-math-sum

  Public
  TC39 proposal to add a summation method to JavaScript

  JavaScript

  •4•99•6•1•Updated Apr 30, 2025Apr 30, 2025

• proposal-defer-import-eval

  Public
  A proposal for introducing a way to defer evaluate of a module

  HTML

  •

  MIT License

  •13•261•4•0•Updated Apr 30, 2025Apr 30, 2025

• ecmarkup

  Public
  An HTML superset/Markdown subset source format for ECMAScript and related specifications

  HTML

  •

  MIT License

  •68•231•93•10•Updated Apr 30, 2025Apr 30, 2025

• proposal-decimal

  Public
  Built-in exact decimal numbers for JavaScript

  javascriptarithmeticdecimal+ 2ieee754decimal128

  HTML

  •19•545•53•0•Updated Apr 24, 2025Apr 24, 2025

• proposal-bigint-math

  Public
  Draft specification for supporting BigInts in JavaScript’s Math methods.

  proposalbiginttc39+ 1math

  HTML

  •

  BSD 3-Clause "New" or "Revised" License

  •4•38•3•0•Updated Apr 19, 2025Apr 19, 2025

• proposal-composites

  Public
  TypeScript

  •

  MIT License

  •4•178•16•0•Updated Apr 19, 2025Apr 19, 2025

• proposal-compare-strings-by-codepoint

  Public
  A new method to compare strings by Unicode codepoint

  MIT License

  •1•6•7•0•Updated Apr 17, 2025Apr 17, 2025

• proposal-async-context-disposable

  Public
  MIT License

  •1•7•4•0•Updated Apr 17, 2025Apr 17, 2025

• proposal-deferred-reexports

  Public
  MIT License

  •2•30•0•0•Updated Apr 16, 2025Apr 16, 2025

• notes

  Public
  TC39 meeting notes

  JavaScript

  •116•668•1•8•Updated Apr 16, 2025Apr 16, 2025

• proposal-oom-fails-fast

  Public
  Proposal: Out of memory immediately terminates agent cluster

  JavaScript

  •

  Apache License 2.0

  •4•18•7•0•Updated Apr 15, 2025Apr 15, 2025

• proposal-record-tuple

  Public archive
  ECMAScript proposal for the Record and Tuple value types. | Stage 2: it will change!

  recordtupletc39+ 2javascriptimmutable

  HTML

  •61•2.5k•25•0•Updated Apr 15, 2025Apr 15, 2025

• proposal-async-context

  Public
  Async Context for JavaScript

  javascript

  HTML

  •

  Creative Commons Zero v1.0 Universal

  •19•679•21•5•Updated Apr 11, 2025Apr 11, 2025

• proposal-import-sync

  Public
  MIT License

  •2•40•3•0•Updated Apr 10, 2025Apr 10, 2025

• proposal-enum

  Public
  Proposal for ECMAScript enums

  HTML

  •

  BSD 3-Clause "New" or "Revised" License

  •8•432•7•4•Updated Apr 10, 2025Apr 10, 2025