138 open source projects by tc39

Built-in decimal datatype in JavaScript

Partially specifying object enumeration order in JavaScript

JavaScript Module Fragments -- Stage 1 proposal

A withdrawn proposal for standardizing some useful, popular helper functions into JavaScript’s Function object.

ECMA 402 proposal for DateTimeFormat.prototype.{formatRange,formatRangeToParts}

Proposal to import JSON files as modules

ECMA TC39 proposal for making mapping over Objects more concise

tc39.es/proposal-intl-duration-format

No description, website, or topics provided.

Proposal to add the `s` (`dotAll`) flag to regular expressions in ECMAScript.

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

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

Documentation of how TC39 operates and how to participate

Shared memory and atomics for ECMAscript

#! for JS

Document describing the process for making changes to ECMA-262

JavaScript Structs: Fixed Layout Objects

TC39 Logos

Double-Ended Iterator and Destructuring

ECMAScript Proposal, specs, and reference implementation for Realms

A shorthand language for writing ECMAScript-style algorithms, inspired by Markdown

Compartmentalization of host behavior hooks for JS

Proposal: snapshot,diverge,readOnlyView methods for all collections

Extensions proposal for ECMAScript

Discussion area for security aspects of ECMAScript

Adds localized formatting of measurement units, compact decimals, and more number features

async `do` expressions for JavaScript

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

dateStyle and timeStyle options for DateTimeFormat

Cross cutting proposals around custom identities in collections

EcmaScript language proposal for a way to get intrinsics.

A template for ECMAScript proposals

"asynchronous atomic wait" for ECMAScript

No description, website, or topics provided.

Proposal to make all JSON text valid ECMA-262

🎣 ECMA-262 proposal to update Function.prototype.toString

ES Proposal, specs, tests, reference implementation, and polyfill/shim for String.prototype.matchAll

TC39 proposal for ArrayBuffer<->base64 string functions