Chapter 10. Creating Popup Menus
Popup menus are all the rage these days. Surely, you've seen them on the Web. You hover over a navigation choice, and a menu of related items appears. It's a classy effect, as Figure 10.1 shows.
Popup menus used to be a nightmare to implement. Fortunately, Internet Explorer since version 5 and Netscape since version 6 support a new kind of JavaScript method called getElementById, which simplifies the scripting of all types of interactive features, including popup menus. Browsers capable of understanding getElementId have been available for ...
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