The internet is overflowing with free, high-quality material for learning JavaScript. Here are our favorites:
| Resource | What it's best for |
|---|---|
| MDN Web Docs (developer.mozilla.org) | The official-feeling reference for JavaScript, HTML and CSS. When you want to know exactly how something works, look here first. Professionals use it every day. |
| javascript.info | A detailed, free online JavaScript tutorial. Fantastic for going deeper into anything in this book. |
| freeCodeCamp (freecodecamp.org) | Free interactive courses and certifications, with lots of projects. |
| The Odin Project (theodinproject.com) | A free, project-based full curriculum for web development. |
| Exercism (exercism.org) | Coding exercises with free mentoring from real developers. |
| Codewars (codewars.com) | Bite-sized coding puzzles ("katas"), ranked by difficulty. Great for daily practice. |
| Frontend Mentor (frontendmentor.io) | Real-world design challenges to build with HTML, CSS and JavaScript. |
| *Eloquent JavaScript* by Marijn Haverbeke | A well-loved book about JavaScript and programming, free to read online. |