HTML DOM protocol ÊôÐÔ

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protocol ÊôÐÔ¿ÉÉèÖûò·µ»ØÄ³¸öÇøÓòÖÐ link-URL µÄЭÒé¡£

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areaObject.protocol=protocol

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ÏÂÃæµÄÀý×Ó¿É·µ»Ø "Venus" ÇøÓòÖÐ link-URL µÄЭÒ飺

<html>
<body>

<img src="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>Venus' protocol:
<script type="text/javascript">
x=document.getElementById('venus');
document.write(x.protocol);
</script>
</p>

</body>
</html>
VUE