tryjsref_area_search 在线代码实例

 <img src="/upload2/statics/images/course/planets.gif" width="145" height="126" usemap="#planetmap">

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

<p>金星区域的查询字符串部分：
<script>
document.write(document.getElementById('venus').search);
</script>
</p>