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by Ian Lloyd

ismap (HTML attribute)

Browser support full matrix
IE5.5+ FF1+ Saf1.3+ Op9.2+
Full Full Full Full
Spec
Depr. Version
No HTML 2
ismap="ismap"

Example

The ismap attribute is set as follows:

<img src="giant-prawn.jpg" alt="The Giant Prawn at Ballina"
ismap="ismap" />

Description

The ismap attribute is rarely seen or used, and is used to indicate that the user’s mouse actions over the image should be processed using a server-side image map. When an area is clicked on with the mouse pointer (it cannot be activated by keyboard controls), the co-ordinates are sent back to the server in the form of a query string in the URI.

It is far more common to see this handled client-side with the usemap attribute.

Value

"ismap" only

Compatibility

IE5.5Full
6.0Full
7.0Full
Firefox1.0Full
1.5Full
2.0Full
Safari1.3Full
2.0Full
3.0Full
Opera9.2Full
9.5Full

Causes no compatibility issues. It has excellent support across all tested browsers.

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