JavaScript rollover


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JavaScript rollover

Using JavaScript to change the appearance of a graphic when the pointer is moved (rolled) over it. JavaScript rollovers are used to highlight elements in navigation bars and produce other graphics effects. They have been supported in browsers starting with IE 4, Netscape 3 and Opera 3.1. See JavaScript.


JavaScript Code Changes the Image
As the screen pointer is moved across the options in a navigation bar, the elements change color indicating that they can be selected if you click now. JavaScript is often used to control such changing elements as in this example where the pointer is over Download Demo.
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Added options for rollovers let users easily create advanced JavaScript rollovers including animated and audio rollovers and multiple rollovers for individual cells.
For more advanced Web graphics tasks, such as JavaScript rollovers, animation, and image slicing, a "jump to" button quickly transfers the image to Adobe ImageReady.
For interactive media, online courses make use of clickable links, interactive test forms and Javascript rollovers.