JavaScript/Exercises

You can solidify your JavaScript knowledge with some additional exercises and games. The pages don't offer additional information; they use the already shown language aspects plus access to the DOM tree.

To keep everything manageable within a WikiBook, we put the source code always into one file. You may divide it into different files on your computer, e.g., separate HTML-, CSS-, JS-, and image-files. For the same reason, the examples don't use any games engine, framework, library, or server access. They are standalone scripts that need nothing but a browser.

The examples are divided into two groups. The first group doesn't use a graphical context. They rely purely on events and pure HTML elements like text, buttons, links, or colors. The second group additionally contains a. Within such a, you can use graphical elements like circles, rectangles, lines, ...

Non-graphical examples

 * Guess a number
 * Check your reaction time
 * TicTacToe

Examples with graphic

 * Introduction
 * Speed; Detect collisions
 * Moving Walls