Type-safe data analytics and statistics framework for Typescript. Built for modern data science workflows with compile-time safety.

Proposal for the addition of various modern algorithms to the Web Cryptography API, as well as feature detection for algorithm support

ECMAScript Proposal, specs, and reference implementation for comparisons

Explainers from Mozilla contributors

Analysis of the Evolution of JavaScript

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

Coordinated long-term maintenance of specs published by the W3C and related orgs

Explainer for the PEPC feature

Proposal for ECMAScript enums

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

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

This project wants to enable all users to experience a website without visual input, relying only on the feedback a screen reader provides.

WebKit's positions on emerging web specifications

Proposal to document design invariants in TC39

Web Component of the Accessibility Support Database

an alternative approach to pattern matching

Permit Symbols as keys in WeakMaps, entries in WeakSets and WeakRefs, and registered in FinalizationRegistries

Tracking progress on MDN for ECMA-402

Proposal for investigating RegExp escaping for the ECMAScript standard

Ergonomic Dynamic Object Restructuring.

Polyfill of `util.parseArgs()`

Repository for design and specification of the Component Model

ECMAScript module integration