Lots of JavaScript developers use the Firebox extension to inspect HTML and modify the code in real time. You won’t need it at first, but it’ll come in handy as you progress.

Code Avengers reminds me a lot of Code School’s highly stylized in browser lessons, but with less art and no videos. It currently offers three tutorials: JavaScript Level 1, JavaScript Level 2 ...

Code Warriors is a new 3D coding game designed with special analytics-tracking for students and teachers to learn coding in and outside of the classroom.

2. CodinGame CodinGame allows you to learn to code using simple commands. It is all about writing a simple program in C++, JavaScript, and more which destroys the enemies reaching you.

The main focus is on full-stack web development, so you’ll learn HTML, CSS, Javascript, Ruby on Rails, Git, Bootstrap, and more along the way. 9. Khan Academy ...

Free, hosted Observable notebooks provide an interactive experience and lots of free, open-source Observable JS code you can reuse and learn from. Here's how to get started.