<img src="/static/i/img1.jpg" width="145" height="126" alt="Planets" usemap="#planetmap">

<map name="planetmap">

  <area shape="rect" coords="0,0,82,126" alt="Sun" href="/static/i/html/sun.html">

  <area shape="circle" coords="90,58,3" alt="Mercury" href="/static/i/html/sun2.html">

  <area shape="circle" coords="124,58,8" alt="Venus" href="/static/i/html/sun2.html">

</map>

<p>点击按钮修改图像地图的名称</p>

<p id="demo"></p>

<button onclick="myFunction()">点我</button>

<script>

function myFunction(){

    document.getElementById("planetmap").name = "newMapName";

    document.getElementById("demo").innerHTML = "name 属性的值从 'planetmap' 改为 'newMapName'.";

}

</script>

​