Eloquent JavaScript
A guided tour of JavaScript as a craft, derived from Marijn Haverbeke's CC BY-NC 3.0-licensed book of the same name. Covers values, functions, higher-order programming, objects, errors, regular expressions, modules, and async — the foundational half of the book.
- JavaScript
- 33 lessons
- ~7 hours
- Free
- by Marijn Haverbeke
Learn JavaScript for free on Libre Academy with the Eloquent JavaScript course: 33 interactive lessons you complete by writing real code in a built-in editor, graded instantly by hidden tests. No paywall, no sign-up — it runs in your browser and the free desktop app.
What you get
- Hands-on lessons with a real editor and instant, test-graded feedback.
- Free and open source — no account required to start.
- Runs in your browser, and offline in the free desktop app.
- JavaScript runs in your browser.
What's inside
- Foundations
- Functions
- Data Structures
- Higher-Order Functions
- Objects and Classes
- Project: A Robot
- Bugs and Errors
- Regular Expressions
- Modules
- Asynchronous Programming
- Language Deep-Dive
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