JavaScript

mdn/webextension-examplesmdn/webextensions-examples

A collection of simple, complete, and installable example Firefox add-ons built using the WebExtensions API.

vim.jscoolwanglu/vim.js

A JavaScript port of Vim that runs in web browsers with ASM.js, persistent configuration, and local file access.

vanvanjs-org/van

An ultra-lightweight, zero-dependency reactive UI framework based on pure vanilla JavaScript and DOM.

cordova-plugin-code-pushmicrosoft/code-push

A Node.js SDK for programmatically managing CodePush deployments, enabling automated mobile app update workflows.

Imaginemeowtec/Imagine

A desktop app for compressing PNG and JPEG images with a modern GUI, supporting batch optimization and format conversion.

bootstrap-toursorich87/bootstrap-tour

A JavaScript library for creating guided product tours using Bootstrap Popovers.

Jisonzaach/jison

A JavaScript parser generator with a Bison-compatible API for creating bottom-up parsers from JSON or Bison-style grammars.

Retina.jsimulus/retinajs

JavaScript and CSS preprocessor helpers for serving high-resolution images to retina and high-DPI displays.

Vexflow0xfe/vexflow

A JavaScript library for rendering music notation and guitar tablature to HTML Canvas and SVG.

SmoothState.jsmiguel-perez/smoothState.js

A jQuery plugin for adding smooth page transitions and AJAX navigation to websites with progressive enhancement.

WalkwayConnorAtherton/walkway

A lightweight JavaScript library for animating SVG path, line, and polyline elements with customizable easing.

strollhakimel/stroll.js

A collection of CSS3 list scroll effects with touch support for iOS and Android.

Font Face Observerbramstein/fontfaceobserver

A lightweight JavaScript library for monitoring web font loading using scroll events.

Ziggytightenco/ziggy

A JavaScript library that provides a Laravel-like route() helper for generating URLs from named Laravel routes in JavaScript.

TipsAllThingsSmitty/jquery-tips-everyone-should-know

A collection of practical jQuery tips and best practices for improving your web development workflow.

Flexibility10up/flexibility

A JavaScript polyfill that enables Flexbox layout support in older browsers like IE8-10.

BottenderYoctol/bottender

A Node.js framework for building conversational user interfaces across multiple messaging platforms.

p-queuesindresorhus/p-queue

A promise queue with concurrency control for rate-limiting async operations.

Recorderjsmattdiamond/Recorderjs

A JavaScript plugin for recording and exporting audio from Web Audio API nodes as WAV files.

dart-sasssass/dart-sass

The reference implementation of Sass, a CSS preprocessor that adds powerful features like variables, nesting, and mixins.

Some basic javascript coding challenges and interview questionskolodny/exercises

A collection of JavaScript coding challenges and interview questions with test-driven development workflow.

peitybenpickles/peity

A jQuery plugin that converts element content into mini SVG pie, donut, line, or bar charts.

EpicEditorOscarGodson/EpicEditor

An embeddable JavaScript Markdown editor with split fullscreen editing, live previewing, and automatic draft saving.

FuckitJSmattdiamond/fuckitjs

A JavaScript library that forcibly executes your code by removing lines that cause errors through repeated evaluation.

Learn how to use JWT for Authenticationdwyl/learn-json-web-tokens

A comprehensive tutorial and example project for implementing JSON Web Token (JWT) authentication in web apps.

Mapshapermbloch/mapshaper

A JavaScript-based tool for editing and simplifying Shapefile, GeoJSON, TopoJSON, and CSV geographic data formats.

hopscotchlinkedin/hopscotch

A JavaScript framework for adding interactive product tours and walkthroughs to web pages.

LittleJSKilledByAPixel/LittleJS

A tiny, fast, and dependency-free HTML5 game engine with WebGL2/Canvas2D rendering, physics, audio, and input handling.

CodeBoxCodeboxIDE/codebox

A modular open-source IDE that runs both in the cloud and on desktop with offline support.

picanodeca/pica

High-quality image resizing in the browser using WebAssembly, web workers, and pure JavaScript.

TrumbowygAlex-D/Trumbowyg

A lightweight and amazing WYSIWYG JavaScript editor under 10kB gzipped for faster page loading.

v8nimbrn/v8n

A fluent, chainable JavaScript validation library with a simple API for validating any data type.

Sketchsoulwire/sketch.js

A tiny cross-platform JavaScript framework for creative coding with canvas and WebGL.

HeadJSheadjs/headjs

A JavaScript library for responsive design, feature detection, and asynchronous resource loading with cross-browser compatibility.

msal-angularAzureAD/microsoft-authentication-library-for-js

A JavaScript library for authenticating users and acquiring tokens to access Microsoft Cloud services using Microsoft Entra ID.

Echochamber.jstessalt/echo-chamber-js

A client-side JavaScript library that adds a comment form to websites, storing comments only in the user's LocalStorage.