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

It is a trap! A lock for a Focus. 🔓

A modern animation library for React and JavaScript

Build the best interview map. The current content includes JS, network, browser related, performance optimization, security, framework, Git, data structure, algorithm, etc.

A book series (2 published editions) on the JS language.

Collection of classic computer science paradigms, algorithms, and approaches written in JavaScript.

React Interview Questions 📙 📚 📖 🔎 ✒️

Cheatsheet for the JavaScript knowledge you will frequently encounter in modern projects.

👩‍💻👨‍💻 Awesome cheatsheets for popular programming languages, frameworks and development tools. They include everything you should know in one single file.

Cheatsheets for experienced React developers getting started with TypeScript

Visual primitives for the component age. Use the best bits of ES6 and CSS to style your apps without stress 💅

A lightweight toolset for writing styles in JavaScript ✨

👩‍🎤 CSS-in-JS library designed for high performance style composition

A community-driven Ruby coding style guide

A community-driven Ruby on Rails style guide

Awesome React / Redux boilerplate and tutorial.

Universal Development Toolkit for Javascript People

Offline first mobile syncing library