Repositories list

• proposal-immutable-arraybuffer

  Public
  A TC39 proposal for immutable ArrayBuffers

  JavaScript

  •

  MIT License

  •1•24•5•1•Updated Feb 21, 2025Feb 21, 2025

• source-map-tests

  Public
  JavaScript

  •

  Other

  •7•7•7•1•Updated Feb 21, 2025Feb 21, 2025

• dataset

  Public
  The automatic track tc39 proposals

  tc39

  TypeScript

  •

  The Unlicense

  •8•43•2•0•Updated Feb 21, 2025Feb 21, 2025

• proposal-stabilize

  Public
  Proposal for tc39 of new integrity "level" protecting against both override mistakes and proxy reentrancy

  JavaScript

  •

  Apache License 2.0

  •0•14•4•0•Updated Feb 20, 2025Feb 20, 2025

• proposal-math-clamp

  Public
  A TC39 proposal to add Math.clamp

  MIT License

  •1•56•8•0•Updated Feb 20, 2025Feb 20, 2025

• agendas

  Public
  TC39 meeting agendas

  JavaScript

  •188•1.1k•0•0•Updated Feb 19, 2025Feb 19, 2025

• proposals

  Public
  Tracking ECMAScript Proposals

  languageproposalspec+ 5specificationlanguage-designcommitteejavascriptecmascript

  721•19k•7•5•Updated Feb 19, 2025Feb 19, 2025

• proposal-error-stack-accessor

  Public
  ECMAScript Proposal, specs, and reference implementation for Error.prototype.stack accessor

  MIT License

  •1•9•6•0•Updated Feb 19, 2025Feb 19, 2025

• proposal-stable-formatting

  Public
  A TC-39 proposal to bring stable Intl-inspired formatting options to ECMAScript

  2•13•4•0•Updated Feb 19, 2025Feb 19, 2025

• test262

  Public
  Official ECMAScript Conformance Test Suite

  jsteststc39+ 1javascript

  JavaScript

  •

  Other

  •479•2.5k•198•44•Updated Feb 19, 2025Feb 19, 2025

• ecma262

  Public
  Status, process, and documents for ECMA-262

  javascriptecmascript

  HTML

  •

  Other

  •1.3k•15k•332•125•Updated Feb 19, 2025Feb 19, 2025

• proposal-defer-import-eval

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

  HTML

  •

  MIT License

  •12•240•10•2•Updated Feb 19, 2025Feb 19, 2025

• how-we-work

  Public
  Documentation of how TC39 operates and how to participate

  27•207•20•8•Updated Feb 19, 2025Feb 19, 2025

• proposal-regex-escaping

  Public archive
  Proposal for investigating RegExp escaping for the ECMAScript standard

  JavaScript

  •

  Creative Commons Zero v1.0 Universal

  •32•384•0•0•Updated Feb 18, 2025Feb 18, 2025

• ecmarkup

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

  HTML

  •

  MIT License

  •65•225•91•10•Updated Feb 18, 2025Feb 18, 2025

• proposal-temporal

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

  HTML

  •

  Other

  •162•3.5k•33•7•Updated Feb 18, 2025Feb 18, 2025

• ecma402

  Public
  Status, process, and documents for ECMA 402

  HTML

  •

  Other

  •106•550•148•11•Updated Feb 18, 2025Feb 18, 2025

• proposal-type-annotations

  Public
  ECMAScript proposal for type syntax that is erased - Stage 1

  JavaScript

  •49•4.3k•97•1•Updated Feb 15, 2025Feb 15, 2025

• tc39.github.io

  Public
  Get involved in specifying JavaScript

  HTML

  •

  MIT License

  •60•322•26•1•Updated Feb 14, 2025Feb 14, 2025

• notes

  Public
  TC39 meeting notes

  JavaScript

  •112•657•1•7•Updated Feb 14, 2025Feb 14, 2025

• proposal-async-context

  Public
  Async Context for JavaScript

  javascript

  HTML

  •

  Creative Commons Zero v1.0 Universal

  •16•630•24•6•Updated Feb 14, 2025Feb 14, 2025

• proposal-intl-duration-format

  Public
  MIT License

  •18•182•7•1•Updated Feb 14, 2025Feb 14, 2025

• tg5

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

  1•19•28•0•Updated Feb 12, 2025Feb 12, 2025

• proposal-shadowrealm

  Public
  ECMAScript Proposal, specs, and reference implementation for Realms

  HTML

  •67•1.5k•17•1•Updated Feb 10, 2025Feb 10, 2025

• proposal-source-phase-imports

  Public
  Proposal to enable importing modules at the source phase

  javascriptproposaltc39

  HTML

  •

  MIT License

  •10•142•5•0•Updated Feb 7, 2025Feb 7, 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

  •12•59•5•3•Updated Feb 6, 2025Feb 6, 2025

• proposal-esm-phase-imports

  Public
  HTML

  •

  MIT License

  •1•46•2•0•Updated Feb 5, 2025Feb 5, 2025

• proposal-upsert

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

  MIT License

  •16•223•3•0•Updated Feb 5, 2025Feb 5, 2025

• proposal-iterator.range

  Public
  A proposal for ECMAScript to add a built-in Iterator.range()

  HTML

  •

  MIT License

  •13•504•3•0•Updated Feb 5, 2025Feb 5, 2025

• proposal-class-method-parameter-decorators

  Public
  Decorators for ECMAScript class method and constructor parameters

  HTML

  •

  MIT License

  •2•53•3•2•Updated Jan 28, 2025Jan 28, 2025