The library for web and native user interfaces.

Set up a modern web app by running one command.

📜 33 JavaScript concepts every developer should know.

uBlock Origin - An efficient blocker for Chromium and Firefox. Fast and lean.

Cheatsheets for experienced React developers getting started with TypeScript

Create the next immutable state by mutating the current one

Find and fix problems in your JavaScript code.

💾 Offline storage, improved. Wraps IndexedDB, WebSQL, or localStorage using a simple but powerful API.

Mostly adequate guide to FP (in javascript)

A JavaScript implementation of various web standards, for use with Node.js

🛠️⚡ Step-by-step tutorial to build a modern JavaScript stack.

JavaScript parser / mangler / compressor / beautifier toolkit

why-did-you-render by Welldone Software monkey patches React to notify you about potentially avoidable re-renders. (Works with React Native as well.)

Simple library for handling keyboard shortcuts in Javascript

Zero-config CLI for TypeScript package development

History.js gracefully supports the HTML5 History/State APIs (pushState, replaceState, onPopState) in all browsers. Including continued support for data, titles, replaceState. Supports jQuery, MooTo…

Simple React Bootstrap 5 components

Extract & Inline Critical-path CSS in HTML pages

React-specific linting rules for ESLint

A set of React components implementing Google's Material Design specification with the power of CSS Modules

⚛️ React primitive UI components built with styled-system.

A comparison of the performance of a few popular javascript frameworks

A polyfill for ES6-style Promises

Stanford Javascript Crypto Library

A web tool to explore the ASTs generated by various parsers.

Unopinionated utilities for resizeable split views

A lightweight library that provides tools for organizing asynchronous code

🗼 A wrapper for Babel's parser used for ESLint (renamed to @babel/eslint-parser)

JavaScript to Python Translator & JavaScript interpreter written in 100% pure Python🚀 Try it online:

🦋 Fantasy Land compliant (monadic) alternative to Promises