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<title>无标题文档</title> <style> div{float:left;margin:10px;} #div1{width:50px; height:50px; background:red;} #div2{width:200px; height:200px; background:#999;} </style> <script> window.onload=function () { var oDiv1=document.getElementById(‘div1‘); var oDiv2=document.getElementById(‘div2‘); var timer=null; /* oDiv1.onmouseover=function (){ clearTimeout(timer); oDiv2.style.display=‘block‘; } oDiv1.onmouseout=function () { timer=setTimeout(function(){ oDiv2.style.display=‘none‘; },500); } oDiv2.onmouseover=function (){ clearTimeout(timer); } oDiv2.onmouseout=function (){ timer=setTimeout(function (){ oDiv2.style.display=‘none‘; },500); }*/ oDiv1.onmouseout=oDiv2.onmouseout=function (){ timer=setTimeout(function (){ oDiv2.style.display=‘none‘; },500); }; oDiv1.onmouseover=oDiv2.onmouseover=function (){ clearTimeout(timer); oDiv2.style.display=‘block‘; }; }; </script> </head> <body> <div id="div1"></div> <div id="div2"></div> </body>
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原文地址：http://www.cnblogs.com/919czzl/p/4314083.html
