Repositories list

• proposals

  Public
  Tracking ECMAScript Proposals

  languageproposalspec+ 5specificationlanguage-designcommitteejavascriptecmascript

  717•18k•8•5•Updated Nov 23, 2024Nov 23, 2024

• agendas

  Public
  TC39 meeting agendas

  JavaScript

  •187•1.1k•0•1•Updated Nov 23, 2024Nov 23, 2024

• proposal-immutable-arraybuffer

  Public
  A TC39 proposal for immutable ArrayBuffers

  MIT License

  •1•13•3•0•Updated Nov 23, 2024Nov 23, 2024

• 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

  •11•56•7•2•Updated Nov 23, 2024Nov 23, 2024

• dataset

  Public
  The automatic track tc39 proposals

  tc39

  TypeScript

  •

  The Unlicense

  •8•41•2•0•Updated Nov 23, 2024Nov 23, 2024

• notes

  Public
  TC39 meeting notes

  JavaScript

  •110•642•1•8•Updated Nov 22, 2024Nov 22, 2024

• proposal-esm-phase-imports

  Public
  HTML

  •

  MIT License

  •1•38•4•0•Updated Nov 22, 2024Nov 22, 2024

• ecma262

  Public
  Status, process, and documents for ECMA-262

  javascriptecmascript

  HTML

  •

  Other

  •1.3k•15k•329•136•Updated Nov 21, 2024Nov 21, 2024

• source-map

  Public
  Source map specification, RFCs and new proposals.

  Bikeshed

  •

  Other

  •17•130•56•10•Updated Nov 21, 2024Nov 21, 2024

• proposal-upsert

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

  HTML

  •

  MIT License

  •14•202•5•3•Updated Nov 21, 2024Nov 21, 2024

• proposal-source-phase-imports

  Public
  Proposal to enable importing modules at the source phase

  javascriptproposaltc39

  HTML

  •

  MIT License

  •8•133•3•0•Updated Nov 21, 2024Nov 21, 2024

• ecmarkup

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

  HTML

  •

  MIT License

  •63•221•91•9•Updated Nov 21, 2024Nov 21, 2024

• proposal-temporal

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

  HTML

  •

  Other

  •154•3.4k•32•6•Updated Nov 21, 2024Nov 21, 2024

• proposal-iterator-sequencing

  Public
  a TC39 proposal to create iterators by sequencing existing iterators

  JavaScript

  •1•62•2•1•Updated Nov 20, 2024Nov 20, 2024

• proposal-dynamic-code-brand-checks

  Public
  TC39 proposal that enables flexible brand checks before dynamic code loading

  HTML

  •

  MIT License

  •5•32•2•1•Updated Nov 20, 2024Nov 20, 2024

• tc39.github.io

  Public
  Get involved in specifying JavaScript

  HTML

  •

  MIT License

  •60•319•26•0•Updated Nov 19, 2024Nov 19, 2024

• process-document

  Public
  Document describing the process for making changes to ECMA-262

  HTML

  •18•30•5•5•Updated Nov 19, 2024Nov 19, 2024

• test262

  Public
  Official ECMAScript Conformance Test Suite

  jsteststc39+ 1javascript

  JavaScript

  •

  Other

  •465•2.4k•202•47•Updated Nov 19, 2024Nov 19, 2024

• proposal-shadowrealm

  Public
  ECMAScript Proposal, specs, and reference implementation for Realms

  HTML

  •67•1.4k•17•1•Updated Nov 14, 2024Nov 14, 2024

• proposal-structs

  Public
  JavaScript Structs: Fixed Layout Objects

  HTML

  •11•622•28•3•Updated Nov 14, 2024Nov 14, 2024

• proposal-signals

  Public
  A proposal to add signals to JavaScript.

  MIT License

  •59•3.4k•109•13•Updated Nov 13, 2024Nov 13, 2024

• proposal-intl-duration-format

  Public
  MIT License

  •18•171•8•0•Updated Nov 13, 2024Nov 13, 2024

• proposal-type-annotations

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

  JavaScript

  •47•4.3k•95•1•Updated Nov 13, 2024Nov 13, 2024

• ecma402

  Public
  Status, process, and documents for ECMA 402

  HTML

  •

  Other

  •107•540•139•6•Updated Nov 12, 2024Nov 12, 2024

• proposal-is-error

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

  HTML

  •

  MIT License

  •2•85•2•0•Updated Nov 11, 2024Nov 11, 2024

• tg5

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

  1•19•28•0•Updated Oct 30, 2024Oct 30, 2024

• proposal-joint-iteration

  Public
  a TC39 proposal to synchronise the advancement of multiple iterators

  TypeScript

  •2•70•1•0•Updated Oct 28, 2024Oct 28, 2024

• proposal-math-sum

  Public
  TC39 proposal to add a summation method to JavaScript

  JavaScript

  •3•88•5•1•Updated Oct 27, 2024Oct 27, 2024

• proposal-concurrency-control

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

  TypeScript

  •0•32•8•1•Updated Oct 25, 2024Oct 25, 2024

• proposal-iterator.range

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

  HTML

  •

  MIT License

  •13•493•2•0•Updated Oct 25, 2024Oct 25, 2024