HTML and CSS Reference
In-Depth Information
More importantly, object-capable browsers display the contents of the
<object> tag if they cannot load, execute, or render the object. If you
have several objects of similar intent but with differing capabilities, you
can nest their <object> tags. The browser tries each object in turn, stop-
ping with the first one it can handle. Thus, the outermost object might
be a full-motion video. Within that <object> tag, you might include a
simpler MPEG video, and within that <object> tag, a simple GIF image.
If the browser can handle full-motion video, your users get the full ef-
fect. If that level of video isn't available, the browser can try the simpler
MPEG video stream. If that fails, the browser can just display the im-
age. If images aren't possible, the innermost <object> tag might contain
a text description of the object.
12.2.2. The <param> Tag
The <param> tag supplies parameters for a containing <object> or <ap-
plet> tag. (We discuss the deprecated <applet> tag in the upcoming sec-
tion, 12.2.3 . )
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