HTML DOM useMap属性

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出处:互联网 整理: 软晨网（RuanChen.com） 发布: 2009-03-04 浏览: 423 ::

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Definition and Usage
定义与用法

The useMap property sets or returns the value of the usemap attribute of an image.
useMap属性可设置或返回图片usemap属性的值

imageObject.useMap=URL

The following example prints the value of the usemap attribute of a client-side image map:
下面的举例将返回客户端热点图中usemap属性的值：

<html>
<body>

<img id="planets" src="planets.gif" 
width="145" height="126" 
usemap="#planetmap" />

<map name="planetmap">
<area id="venus" shape="circle" 
coords="124,58,8" 
alt="The planet Venus"
href="venus.htm" />

</map>

<p>The value of the usemap attribute=
<script type="text/javascript">
x=document.getElementById('planets');
document.write(x.useMap);
</script>
</p>

</body>
</html>