Our first lesson is going to be very simple and consist of learning about basic variables and data types. For the lessons in this series, we're going to use JavaScript as a model because it's a ...

The app (available for Android and iOS) teaches you Javascript through a series of tiny games and puzzles, the idea is that you’re learning but enjoying your time as well. What do you think so far?

By adding CTS code widgets for things like maps or charts, users can create visualizations with basic HTML — no JavaScript knowledge necessary.