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About W3docs
W3docs helps developers learn web development with free books, runnable examples, exercises, quizzes, and tools — all in your browser.
Since 2014, W3docs has published free, practical tutorials for HTML, CSS, JavaScript, Python, PHP, Java, Git, and more. Every example is editable and runs instantly, so you learn by doing instead of just reading.
Our mission is simple: make high-quality programming education accessible to everyone, in their own language. W3docs is available in English, German, Russian, French, Spanish, Italian, and Portuguese.
What you'll find here
- Free, interactive tutorials
- Runnable code examples
- Exercises and quizzes
- Developer tools and snippets
Start learning
Pick a topic and write your first line of code today — no install, no signup.
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