📜 33 JavaScript concepts every developer should know.
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Call all Node.js modules directly from DOM/WebWorker and enable a new way of writing applications with all Web technologies.
Screenshots with JavaScript
30 Days of React challenge is a step by step guide to learn React in 30 days. These videos may help too: https://www.youtube.com/channel/UC7PNRuno1rzYPb1xLa4yktw
Crawlee—A web scraping and browser automation library for Node.js to build reliable crawlers. In JavaScript and TypeScript. Extract data for AI, LLMs, RAG, or GPTs. Download HTML, PDF, JPG, PNG, and other files from websites. Works with Puppeteer, Playwright, Cheerio, JSDOM, and raw HTTP. Both headful and headless mode. With proxy rotation.
MagicMirror² is an open source modular smart mirror platform. With a growing list of installable modules, the MagicMirror² allows you to convert your hallway or bathroom mirror into your personal assistant.
Scan and fix React performance issues
A JavaScript implementation of various web standards, for use with Node.js
🐐 Simple and complete React DOM testing utilities that encourage good testing practices.
1kB-ish JavaScript framework for building hypertext applications
DOMPurify - a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. DOMPurify works with a secure default, but offers a lot of configurability and hooks. Demo:
Learn Domain-Driven Design, software architecture, design patterns, best practices. Code examples included
A JavaScript Framework for Building Brilliant Applications
A declarative, HTML-based language that makes building web apps fun
Relocate resource intensive third-party scripts off of the main thread and into a web worker. 🎉
Web Components Framework - Web组件框架
Generates an image from a DOM node using HTML5 canvas
An absurdly small jQuery alternative for modern browsers.
Chance - Random generator helper for JavaScript
🐤 The friendly full-stack language
Test suites for Web platform specs — including WHATWG, W3C, and others
A blazingly fast multi-language serialization framework for idiomatic domain objects, schema IDL, and cross-language data exchange.
SpeedTest by OpenSpeedTest™ is a Free and Open-Source HTML5 Network Performance Estimation Tool Written in Vanilla Javascript and only uses built-in Web APIs like XMLHttpRequest (XHR), HTML, CSS, JS, & SVG. No Third-Party frameworks or libraries are Required. Started in 2011 and moved to OpenSpeedTest.com dedicated Project/Domain Name in 2013.
Tiny (2 KB) turboboosted JavaScript library for creating user interfaces.