tryjsref_area_port 在线代码实例

实例代码( Tip: 登录后体验更佳 )

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<!DOCTYPE html>
<html>
<body>
<img src="/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">
</map>
<p>“金星”区域的port:
<script>
document.write(document.getElementById('venus').port);
</script>
</p>
<p><b>注意:</b>如果没有指定端口部分的URL,或者是80(默认),一些浏览器会显示0或什么都没有。</p>
</body>
</html>
 
 
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运行结果
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