Ecma TC39の公開GitHubフットプリント

Tracking ECMAScript Proposals

Status, process, and documents for ECMA-262

A proposal for adding a useful pipe operator to JavaScript.

Pattern matching syntax for ECMAScript

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ECMAScript proposal for type syntax that is erased - Stage 1

A proposal to add signals to JavaScript.

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

Observables for ECMAScript

Decorators for ES6 classes

Official ECMAScript Conformance Test Suite

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

import() proposal for JavaScript

This-Binding Syntax for ECMAScript

ECMAScript Proposal, specs, and reference implementation for Realms

Methods for working with iterators in ECMAScript

Proposal for `do` expressions

TC39 meeting agendas

top-level `await` proposal for ECMAScript (stage 4)

Binary AST proposal for ECMAScript

ECMAScript Explicit Resource Management

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Asynchronous iteration for JavaScript

Async Context for JavaScript

JavaScript Structs: Fixed Layout Objects

TC39 meeting notes

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Proposal for syntax to import ES modules with assertions

Built-in exact decimal numbers for JavaScript

Status, process, and documents for ECMA 402

Proposal for ECMAScript 'throw' expressions

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

A proposal to make grouping of array items easier

Provides additional methods on Array.prototype and TypedArray.prototype to enable changes on the array by returning a new copy of it with the change.

Proposal for ECMAScript enums

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a proposal to bring protocol-based interfaces to ECMAScript users

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

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

Get involved in specifying JavaScript

A Private Fields Proposal for ECMAScript

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

Extractors for ECMAScript

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Proposal for extending JSON.parse to expose input source text.

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

Documentation of how TC39 operates and how to participate

`Intl.RelativeTimeFormat` specification [draft]

Source map specification, RFCs and new proposals.

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Discussion and specification for an explicit syntactic opt-in for Tail Calls.

Spec, tests, reference implementation, and docs for ESnext-track Array.prototype.includes

Proposal to enable importing modules at the source phase

A template for ECMAScript proposals

A uniform wrapper around a multitude of ECMAScript hosts. CLI: https://github.com/bterlson/eshost-cli

A proposal to add Promise.allKeyed to ECMAScript

Proposal to make all JSON text valid ECMA-262

a TC39 proposal to synchronise the advancement of multiple iterators

Proposal for Array.prototype.findLast and Array.prototype.findLastIndex.

A TC39 proposal to add Math.clamp

a proposal to add a method to iterators for producing an iterator of its subsequences

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

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Experimental harness for test262

"asynchronous atomic wait" for ECMAScript

a TC39 proposal to create iterators by sequencing existing iterators

A modest proposal for importing bytes in javascript

ECMAScript Decorators for Function Expressions and Declarations

Proposal to introduce discard bindings to ECMAScript

Double-Ended Iterator and Destructuring

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Decorators for ECMAScript class method and constructor parameters

A template for ECMAScript proposals

Micro waits in JS

ECMAScript Async Explicit Resource Management

Reduce the number of microtask ticks required to adopt the state of a promise

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Numbers with precision and a unit for JavaScript

A TC39 proposal for importing text

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

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

Proposal for Intl.LocaleMatcher

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

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

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JavaScript proposal to provide class brand checks

ECMAScript Proposal, specs, and reference implementation for comparisons

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

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

JS proposal for a means to concatenate the contents of an iterator into a string

Regular Expression Buffer Boundaries for ECMAScript

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Follow-on Proposal to ECMAScript Explicit Resource Management to enforce `using` for some resources

Array.prototype.includes but for iterators

ECMAScript Proposal for adopting native promise state

To specify necessary details about era, eraYear and monthCode usage with Temporal for non-ISO calendars.

A TC39 proposal to make available default, well-defined, locale-independent behaviour for Intl.Collator and Intl.Segmenter

Speccy - ECMAScript spec character picker