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1. First program

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Learn Javascript with Reeborg!¶

Learning Javascript is easy with Reeborg. All you have to do is read the tutorial and try all the examples in Reeborg’s world. I suggest that you keep the tutorial and Reeborg’s World both open but in separate windows or tabs.

Before you actually start the tutorial, have Reeborg take its first step by running a program in Reeborg’s World.

Hints are clickable and designed to provide useful pointers if you are not sure how to proceed.


Go to Reeborg’s world, click on the “run” button (small white triangle on blue background) and watch Reeborg takes its first step. You can also view this short video to see what it looks like. You may want to watch it in full screen with HD quality selected.