https://eloquentjavascript.net/

Cover image

Eloquent JavaScript
4th edition (2024)

This is a book about JavaScript, programming, and the wonders of the
digital. You can read it online here, or buy your own paperback copy
(3rd edition).

Written by Marijn Haverbeke.

Licensed under a Creative Commons attribution-noncommercial license.
All code in this book may also be considered licensed under an MIT
license.

Illustrations by various artists: Cover by Pechane Sumi-e. Chapter
illustrations by Madalina Tantareanu. Pixel art in Chapters 7 and 16
by Antonio Perdomo Pastor. Regular expression diagrams in Chapter 9
generated with regexper.com by Jeff Avallone. Village photograph in
Chapter 11 by Fabrice Creuzot. Game concept for Chapter 16 by Thomas
Palef.

Contents

 1. Introduction
 2. (Part 1: Language)

    Values, Types, and Operators
 3. Program Structure
 4. Functions
 5. Data Structures: Objects and Arrays
 6. Higher-order Functions
 7. The Secret Life of Objects
 8. Project: A Robot
 9. Bugs and Errors
10. Regular Expressions
11. Modules
12. Asynchronous Programming
13. Project: A Programming Language
14. (Part 2: Browser)

    JavaScript and the Browser
15. The Document Object Model
16. Handling Events
17. Project: A Platform Game
18. Drawing on Canvas
19. HTTP and Forms
20. Project: A Pixel Art Editor
21. (Part 3: Node)

    Node.js
22. Project: Skill-Sharing Website

A paper version of Eloquent JavaScript, including an additional
chapter, is being brought out by No Starch Press.

Other pages

  * Code sandbox and exercise solutions
  * Errata for the paper book
  * This book as a single PDF file (& small version for mobile)
  * This book as an EPUB file
  * This book as a MOBI (Kindle) file
  * The first edition of the book
  * The second edition of the book
  * The third edition of the book

Translations

Third Edition

  * `arabiyW (Arabic)
  * frsy (Persian)
  * Espanol (Spanish, partial)

Second Edition

  * `arabiyW (Arabic)
  * B'lgarski (Bulgarian)
  * Portugues (Portuguese)
  * Russkii (Russian)