Using setTimeout() and clearTimeout() to Animate a Page
The code described above makes a div jump across the screen. If you want the div to drift more slowly across the screen or to move along a specific path, you can use timing loops (discussed in Chapter 9) to animate your div.
To make a div move smoothly across the screen, write a function that moves the div a little bit, then uses setTimeout() to call itself in a few milliseconds. Figure 13-10 contains code that causes an image of the number 1 to roam randomly around the screen.
Figure 13-10. The Wandering One
Line-by-Line Analysis of Figure 13-10
In Figure 13-10, the image of the number 1 starts ...
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