Summary
In this chapter you've learned:
How to trigger events, such as
onMouseOverandonMouseOutHow to nullify a link with
return falseinsideonClickHow to change the background color of a page
How to swap images
How to preload images so that they'll swap in more quickly
How the DOM uses dots to separate objects into hierarchies
Now that you know the basics of image swapping, you can perform lots of tricks. You can make an image vanish by swapping in one that's the same color as the page background. You can make images composed of explanatory text and place them next to the feature they describe. There's no end to the fun you can have with image swaps.
As always, we'll be revisiting many of these points in later chapters, so you'll become more and ...
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