JavaScript Coding

JavaScript Coding — Learn, Practice & Run JavaScript

A complete JavaScript learning environment right on your device. Write and run code instantly with a professional editor, interactive console, step-by-step tutorials, hands-on coding challenges, and built-in Chart.js for data visualization.

Code Editor & Console • Full-featured editor with syntax highlighting and autocomplete • Interactive JS Console (REPL) for instant experimentation • Run code directly on your device — no server needed • Customizable themes, font size, and editor settings

60+ Step-by-Step Tutorials • JavaScript Basics — variables, loops, functions, arrays, objects • DOM & Browser — selectors, events, forms, fetch API • Async & Promises — callbacks, async/await, error handling • ES6+ Features — destructuring, generators, proxies, symbols • Algorithms — sorting, searching, stacks, linked lists, hash tables • Chart.js — bar charts, line charts, pie/doughnut, styling, dynamic updates

30+ Coding Challenges • Practice with real coding exercises at Easy, Medium, and Hard levels • Categories: JavaScript, Arrays & Objects, Strings, Functions, Algorithms • Automated test verification — get instant feedback on your solutions

Chart & Visual Output • Built-in Chart.js — create bar, line, pie, and doughnut charts instantly • Render Canvas graphics and DOM elements directly in the output panel • No setup needed — Chart.js is bundled and always available

Library Manager • 25+ popular JavaScript libraries: lodash, axios, D3, p5.js, mathjs, and more • Chart.js built-in — no download required • Libraries are downloaded for offline use • Use them directly in your code with global variables

File Manager & Examples • Create, organize, and manage your JavaScript files • Import files from your device • Ready-to-run code examples to get started quickly

Built for Learning • Progress tracking across tutorials and challenges • Dark mode support throughout the app • Works offline — write and run code anywhere • Keep screen awake while coding

Whether you're a beginner learning JavaScript for the first time, visualizing data with Chart.js, or an experienced developer practicing algorithms — JavaScript Coding gives you everything you need to code on the go.

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