如何使用 JavaScript 获取图片 usemap 属性的值?

htmljavascriptprogramming scripts

要获取图片 usemap 属性的值,请使用 useMap 属性。您可以尝试运行以下代码来显示 usemap 属性值 −

示例

<!DOCTYPE html>
<html>
   <body>
      <img id = "myid" src = "/images/html.gif" alt = "HTML Map" usemap = "#html"/>
      <map name = "html">
         <area id = "myarea" shape = "circle" coords = "154,150,59" href = "about.htm" alt = "Team" >
      </map>
      <script>
         var x = document.getElementById("myid").useMap;
         document.write("<br>Usemap: "+x);
      </script>
   </body>
</html>

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