返回图像映射中 "Venus" 区域的的坐标 - 在线编辑器

          <img src="/examples/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">
</map>
<p>金星的坐标:
  <script>
    document.write(document.getElementById("venus").coords);
  </script>
</p>
        