JavaScript.info

JavaScript.info provides a detailed modern JavaScript tutorial in multiple languages.

javascript.info
JavaScript.info homepage screenshot

About JavaScript.info

JavaScript.info is a free online tutorial for learning JavaScript, from basic syntax to advanced topics such as object-oriented programming, closures, promises and async/await. The main course has two parts: the JavaScript language itself, and working with a web browser through the Document Object Model (DOM), events, forms and resource loading. A third set of additional articles covers topics such as fetch, binary data and file handling.

The tutorial is written in English and is available in many other languages, and readers are invited to help translate it. The homepage lists EPUB and PDF versions with a Buy option, but it does not state their price. The page was last updated on October 11, 2026. The additional articles assume the first two parts have been covered, and they have no set order.

Key features

  • Explanations with examples and tasks, from JavaScript basics to advanced concepts
  • Coverage of closures, object-oriented programming, classes and prototypes
  • Section on promises, async/await, generators and modules
  • Browser section on the DOM, element manipulation, events and forms
  • Additional articles on fetch, binary data, files and network requests
  • Available in multiple languages, with an invitation for readers to translate
Best for: Learners who want a detailed, example-based tutorial on JavaScript and browser programming, from basic concepts to advanced topics.
Good for
  • Explanations are described as simple but detailed, with examples and tasks
  • Covers the subject from basics through advanced topics
  • Offered in many languages
Watch out for
  • The additional articles assume the first two parts of the tutorial have been covered
  • The additional articles have no clear hierarchy, so the reading order is left to the reader

JavaScript.info at a glance

Type
Website
Pricing
Not confirmed. Check the site
Platforms
Web
Open source
Not stated
Language
English
Last checked
Oct 6, 2026 · Online when checked
Listed
Oct 5, 2026

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JavaScript.info FAQ

What languages is the tutorial available in?
The homepage lists Arabic, Czech, Danish, English, Spanish, Persian, French, Indonesian, Italian, Japanese, Korean, Russian, Turkish, Ukrainian, Uzbek and Simplified Chinese.
Can readers help translate the tutorial?
Yes. The homepage invites readers to help translate the content into their own language.
Are there downloadable versions of the tutorial?
The homepage lists EPUB and PDF versions under a Buy option. The homepage does not state their price.
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