Repositories list

• proposal-array-from-async

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

  HTML

  •

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

  •14•187•5•1•Updated Apr 5, 2025Apr 5, 2025

• ecma426

  Public
  Source map specification, RFCs and new proposals.

  JavaScript

  •

  Other

  •20•145•59•3•Updated Apr 5, 2025Apr 5, 2025

• tg3

  Public
  TC39-TG3: Security

  2•13•0•1•Updated Apr 5, 2025Apr 5, 2025

• dataset

  Public
  The automatic track tc39 proposals

  tc39

  TypeScript

  •

  The Unlicense

  •8•44•2•0•Updated Apr 5, 2025Apr 5, 2025

• ecma262

  Public
  Status, process, and documents for ECMA-262

  javascriptecmascript

  HTML

  •

  Other

  •1.3k•15k•331•117•Updated Apr 4, 2025Apr 4, 2025

• tc39.github.io

  Public
  Get involved in specifying JavaScript

  HTML

  •

  MIT License

  •59•323•26•1•Updated Apr 4, 2025Apr 4, 2025

• test262

  Public
  Official ECMAScript Conformance Test Suite

  jsteststc39+ 1javascript

  JavaScript

  •

  Other

  •484•2.5k•199•46•Updated Apr 4, 2025Apr 4, 2025

• agendas

  Public
  TC39 meeting agendas

  JavaScript

  •187•1.1k•0•0•Updated Apr 4, 2025Apr 4, 2025

• proposal-decimal

  Public
  Built-in exact decimal numbers for JavaScript

  javascriptarithmeticdecimal+ 2ieee754decimal128

  HTML

  •18•531•52•1•Updated Apr 4, 2025Apr 4, 2025

• proposal-oom-fails-fast

  Public
  Proposal: Out of memory immediately terminates agent cluster

  JavaScript

  •

  Apache License 2.0

  •4•13•6•0•Updated Apr 4, 2025Apr 4, 2025

• proposal-immutable-arraybuffer

  Public
  A TC39 proposal for immutable ArrayBuffers

  JavaScript

  •

  MIT License

  •1•26•5•0•Updated Apr 4, 2025Apr 4, 2025

• ecma402

  Public
  Status, process, and documents for ECMA 402

  HTML

  •

  Other

  •107•560•151•9•Updated Apr 4, 2025Apr 4, 2025

• proposal-extended-numeric-literals

  Public archive
  Extensible numeric literals for JavaScript

  13•75•15•0•Updated Apr 3, 2025Apr 3, 2025

• proposal-seeded-random

  Public
  Proposal for an options argument to be added to JS's Math.random() function, and some options to start it with.

  HTML

  •

  MIT License

  •5•160•7•0•Updated Apr 3, 2025Apr 3, 2025

• proposal-call-this

  Public
  A proposal for a simple call-this operator in JavaScript.

  proposaltc39javascript

  HTML

  •

  MIT License

  •5•124•5•0•Updated Apr 3, 2025Apr 3, 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•16•4•0•Updated Mar 30, 2025Mar 30, 2025

• proposal-async-context

  Public
  Async Context for JavaScript

  javascript

  HTML

  •

  Creative Commons Zero v1.0 Universal

  •17•659•21•6•Updated Mar 30, 2025Mar 30, 2025

• ecmarkup

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

  HTML

  •

  MIT License

  •66•228•93•9•Updated Mar 28, 2025Mar 28, 2025

• proposals

  Public
  Tracking ECMAScript Proposals

  languageproposalspec+ 5specificationlanguage-designcommitteejavascriptecmascript

  721•19k•6•5•Updated Mar 28, 2025Mar 28, 2025

• notes

  Public
  TC39 meeting notes

  JavaScript

  •113•665•1•8•Updated Mar 23, 2025Mar 23, 2025

• proposal-error-capturestacktrace

  Public
  Standardizing Error.captureStackTrace

  MIT License

  •1•7•2•0•Updated Mar 22, 2025Mar 22, 2025

• proposal-esm-phase-imports

  Public
  HTML

  •

  MIT License

  •1•46•2•0•Updated Mar 21, 2025Mar 21, 2025

• tg5

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

  2•20•27•0•Updated Mar 20, 2025Mar 20, 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•1•1•Updated Mar 20, 2025Mar 20, 2025

• proposal-upsert

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

  MIT License

  •18•234•3•1•Updated Mar 20, 2025Mar 20, 2025

• proposal-defer-import-eval

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

  HTML

  •

  MIT License

  •13•252•4•2•Updated Mar 19, 2025Mar 19, 2025

• proposal-measure

  Public
  MIT License

  •3•17•12•0•Updated Mar 17, 2025Mar 17, 2025

• proposal-temporal

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

  HTML

  •

  Other

  •163•3.5k•37•7•Updated Mar 14, 2025Mar 14, 2025

• source-map-tests

  Public
  JavaScript

  •

  Other

  •8•8•7•1•Updated Mar 8, 2025Mar 8, 2025

• proposal-discard-binding

  Public
  Proposal to introduce discard bindings to ECMAScript

  JavaScript

  •

  MIT License

  •2•54•6•2•Updated Mar 7, 2025Mar 7, 2025