try_dom_area_title 在线代码实例

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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>W3Cschool教程(w3cschool.cn)</title>
</head>
<body>
<img src ="planets.gif" width="145" height="126" alt="Planets" usemap ="#planetmap" />
<map name ="planetmap">
<area id="venus" shape="circle" coords ="124,58,8" title="Venus" href ="venus.htm"  />
</map>
<p>金星区域的标题 (鼠标经过金星): 
<script>
var x=document.getElementById('venus');
document.write(x.title);
</script>
</p>
</body>
</html>
 
 
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运行结果
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