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. (HTML)

vercel/micro (⭐ 10375)

Asynchronous HTTP microservices (TypeScript)

devsnek/esvu (⭐ 142)

esvu is your one-stop shop for all implementations of ECMAScript. (JavaScript)

estree/estree (⭐ 4521)

The ESTree Spec ()

inexorabletash/jslogo (⭐ 342)

Logo in JavaScript (JavaScript)

tc39/proposal-pattern-matching (⭐ 4718)

Pattern matching syntax for ECMAScript (HTML)

tc39/proposal-record-tuple (⭐ 2232)

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

tc39/proposal-string-dedent (⭐ 520)

TC39 Proposal to remove common leading indentation from multiline template strings (HTML)

tc39/proposal-type-annotations (⭐ 3300)

ECMAScript proposal for type syntax that is erased - Stage 1 (JavaScript)

stuartlangridge/sorttable (⭐ 89)

JavaScript client-side sortable tables (JavaScript)

atlassian-labs/compiled (⭐ 1835)

A familiar and performant compile time CSS-in-JS library for React. (TypeScript)

ccxvii/mujs (⭐ 705)

An embeddable Javascript interpreter in C. (C)

just-js/just (⭐ 3040)

a very small v8 javascript runtime for linux only (JavaScript)

cyclejs/cyclejs (⭐ 10216)

A functional and reactive JavaScript framework for predictable code (TypeScript)

bellard/quickjs (⭐ 5811)

Public repository of the QuickJS Javascript Engine. Pull requests are not accepted. Use the mailing list to submit patches. (C)

shajunxing/quickjs-ffi (⭐ 51)

libffi wrapper for quickjs (C)

rslint/rslint (⭐ 2555)

A (WIP) Extremely fast JavaScript and TypeScript linter and Rust crate (Rust)

svaarala/duktape (⭐ 5537)

Duktape - embeddable Javascript engine with a focus on portability and compact footprint (JavaScript)

elsaland/elsa (⭐ 2749)

Elsa is a minimal runtime for JavaScript and TypeScript written in Go (TypeScript)

brianleroux/wtfjs (⭐ 1375)

wtfjs.com! (JavaScript)

cesanta/mjs (⭐ 1725)

Embedded JavaScript engine for C/C++ (C)

vercel/turbo (⭐ 20453)

Incremental bundler and build system optimized for JavaScript and TypeScript, written in Rust – including Turbopack and Turborepo. (Rust)

gfwilliams/tiny-js (⭐ 458)

Automatically exported from code.google.com/p/tiny-js (C++)

hazae41/xswr (⭐ 91)

Yet another React data (re)fetching library (TypeScript)

jmaister/excellentexport (⭐ 1301)

Javascript export to Excel (TypeScript)

mck89/peast (⭐ 146)

JavaScript parser written in PHP that generates AST from your code according to ECMAScript specification (PHP)

NerdLang/nerd (⭐ 3417)

Javascript's God Mode. No VM. No Bytecode. No GC. Just native binaries. (C++)

pvdz/tenko (⭐ 503)

An 100% spec compliant ES2021 JavaScript parser written in JS (JavaScript)

ota-meshi/eslint-plugin-regexp (⭐ 204)

ESLint plugin for finding regex mistakes and style guide violations. (TypeScript)

tc39/proposal-structs (⭐ 144)

JavaScript Structs: Fixed Layout Objects ()

richardanaya/web.rs (⭐ 151)

JavaScript-WebAssembly interop library for Rust. (Rust)

GoogleChrome/lighthouse (⭐ 26271)

Automated auditing, performance metrics, and best practices for the web. (JavaScript)

mdubourg001/ssgo (⭐ 173)

The minimalistic but flexible static site generator for Deno . (TypeScript)

apache/echarts (⭐ 54632)

Apache ECharts is a powerful, interactive charting and data visualization library for browser (TypeScript)