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The World of Iframes

Frames are not supported by Netscape 4.


Like a regular frame, an iframe (or inline frame) defines a rectangular area inside a browser window that displays a portion of another document. Unlike standard frames, however, iframes exist within ordinary HTML documents, inside the body tag, just like any other page element (image, table, and so on). Figure 10.31 shows a sample of an iframe at work. Iframes are useful for many of the same reasons standard frames are: They allow partial page contents to change without reloading the entire page, they allow certain page content to scroll while other content remains stationary, and so on. They also have the same accessibility requirements as frames. They’re part of the HTML 4 specification and are currently supported by all major browsers.


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