Repositories list

• dataset

  Public
  The automatic track tc39 proposals

  tc39

  TypeScript

  •

  The Unlicense

  •10•47•2•0•Updated Jun 12, 2025Jun 12, 2025

• proposal-random-functions

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

  MIT License

  •3•77•10•0•Updated Jun 11, 2025Jun 11, 2025

• ecma426

  Public
  Source map specification, RFCs and new proposals.

  JavaScript

  •

  Other

  •22•148•60•6•Updated Jun 11, 2025Jun 11, 2025

• test262

  Public
  Official ECMAScript Conformance Test Suite

  jsteststc39+ 1javascript

  JavaScript

  •

  Other

  •489•2.5k•202•50•Updated Jun 11, 2025Jun 11, 2025

• proposal-decimal

  Public
  Built-in exact decimal numbers for JavaScript

  javascriptarithmeticdecimal+ 2ieee754decimal128

  HTML

  •19•550•55•0•Updated Jun 11, 2025Jun 11, 2025

• proposal-error-capturestacktrace

  Public
  Standardizing Error.captureStackTrace

  MIT License

  •2•7•2•0•Updated Jun 10, 2025Jun 10, 2025

• tc39.github.io

  Public
  Get involved in specifying JavaScript

  HTML

  •

  MIT License

  •62•330•26•1•Updated Jun 10, 2025Jun 10, 2025

• ecma262

  Public
  Status, process, and documents for ECMA-262

  javascriptecmascript

  HTML

  •

  Other

  •1.3k•15k•341•134•Updated Jun 4, 2025Jun 4, 2025

• proposal-measure

  Public
  MIT License

  •3•17•13•1•Updated Jun 4, 2025Jun 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

  •

  MIT License

  •6•3•20•0•Updated Jun 4, 2025Jun 4, 2025

• proposal-seeded-random

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

  HTML

  •

  MIT License

  •6•180•3•0•Updated Jun 3, 2025Jun 3, 2025

• proposal-inspector

  Public
  ECMAScript Proposal, specs, and reference implementation for Inspector

  MIT License

  •0•3•0•0•Updated Jun 3, 2025Jun 3, 2025

• proposals

  Public
  Tracking ECMAScript Proposals

  languageproposalspec+ 5specificationlanguage-designcommitteejavascriptecmascript

  732•19k•6•4•Updated Jun 3, 2025Jun 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

  •

  MIT License

  •13•59•2•2•Updated Jun 2, 2025Jun 2, 2025

• template-for-proposals

  Public template
  A template for ECMAScript proposals

  JavaScript

  •

  MIT License

  •31•142•2•2•Updated Jun 2, 2025Jun 2, 2025

• proposal-temporal

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

  HTML

  •

  Other

  •167•3.6k•37•6•Updated Jun 2, 2025Jun 2, 2025

• ecma402

  Public
  Status, process, and documents for ECMA 402

  HTML

  •

  Other

  •108•572•154•10•Updated May 31, 2025May 31, 2025

• proposal-concurrency-control

  Public
  interfaces and data structures for concurrency control and integration into async iterator helpers

  TypeScript

  •0•39•9•1•Updated May 31, 2025May 31, 2025

• proposal-immutable-arraybuffer

  Public
  A TC39 proposal for immutable ArrayBuffers

  JavaScript

  •

  MIT License

  •3•29•6•0•Updated May 30, 2025May 30, 2025

• agendas

  Public
  TC39 meeting agendas

  JavaScript

  •195•1.1k•0•2•Updated May 30, 2025May 30, 2025

• proposal-deferred-reexports

  Public
  MIT License

  •3•32•0•0•Updated May 30, 2025May 30, 2025

• notes

  Public
  TC39 meeting notes

  JavaScript

  •117•672•1•7•Updated May 30, 2025May 30, 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•39•3•0•Updated May 29, 2025May 29, 2025

• proposal-intl-keep-trailing-zeros

  Public
  MIT License

  •0•2•1•0•Updated May 29, 2025May 29, 2025

• proposal-math-clamp

  Public
  A TC39 proposal to add Math.clamp

  MIT License

  •1•85•7•0•Updated May 29, 2025May 29, 2025

• proposal-thenable-curtailment

  Public
  A proposal to curtail the power of "thenable" objects.

  MIT License

  •0•10•2•0•Updated May 28, 2025May 28, 2025

• proposal-is-error

  Public archive
  ECMAScript Proposal, specs, and reference implementation for Error.isError

  HTML

  •

  MIT License

  •2•127•0•0•Updated May 28, 2025May 28, 2025

• proposal-global

  Public archive
  ECMAScript Proposal, specs, and reference implementation for `global`

  HTML

  •

  MIT License

  •18•352•0•0•Updated May 27, 2025May 27, 2025

• proposal-object-property-count

  Public
  TC39 proposal for Object.propertyCount(target[, options])

  MIT License

  •2•18•5•0•Updated May 27, 2025May 27, 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•199•1•0•Updated May 26, 2025May 26, 2025