JavaScript

The programming language of the web browser, also widely used on the server via Node.js. Dynamically typed, with first-class functions and (since ES6) built-in classes.

67 lessons ~4h 32m to complete Beginner → Advanced Free, no signup

Popular Web Development Backend & Enterprise

Difficulty: Beginner
Version: ES2024
Website: Visit site
Docs: Read docs

What you'll learn

A complete path from the basics to production-ready skills — work through it in order, at your own pace.

1 Level 1 — Beginner 28 lessons
2 Beginner Projects 1 lesson
3 Level 2 — Intermediate 19 lessons
4 Intermediate Projects 1 lesson
5 Level 3 — Advanced 16 lessons
6 Advanced Projects 1 lesson
7 What You Should Know Now — and What's Next 1 lesson

Ready to start learning JavaScript?

No prior programming experience required — every lesson starts from the basics.

Start Learning JavaScript View Cheat Sheet

Related developer tools

Practice what you learn with these free tools.

JSON Formatter

Pretty-print and indent minified or messy JSON.

Regex Tester

Test a regular expression against a block of text and see every match.

Code Beautifier

Auto-indent minified HTML, CSS, or JavaScript.

HTML Minifier

Remove comments and unnecessary whitespace from HTML.

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