Hour of Code

Alice in Wonderland

This is an introductory puzzle, it will show you how the computer executes commands in a sequence from top to bottom. You will learn how to use functions with and without parameters.

Make anything you want

You will learn how to build a program in JavaScript. The little monster on the bottom of the screen will help you code.

Learn about variables

Variables are needed to keep track of something like the score in a game. This puzzle will show you different types of variables and how you can create (declare) them.

Functions with parameters

Another fun puzzle. This time you will need to clear a way for baby owls. You can add or remove trees in a forest by calling special functions with parameters.

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