案例:HTML DOM案例     状态:可编辑再运行    进入横版
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<table id="myMenu" class="nav" width="150" onmouseover="showmenu()" onmouseout="hidemenu()">
 
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<html>
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<head>
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<style>
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body{font-family:arial;}
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a{color:black;text-decoration:none;font:bold}
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a:hover{color:#606060}
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td.menu{background:lightblue}
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table.nav
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{
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background:black;
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position:relative;
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font: bold 80% arial;
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top:0px;
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left:-135px;
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}
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</style>
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<script type="text/javascript">
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var i=-135
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var intHide
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var speed=3
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function showmenu()
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{
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clearInterval(intHide)

 运行结果 
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