<!DOCTYPE html>
<html >
<head>
<meta charset="UTF-8">
<title>Title</title>
<link rel="stylesheet" type="text/css" href="系统CSS初始化.css" target="_blank" rel="external nofollow" >
<style>
#div1{
width: 50px;
height: 50px;
background: rebeccapurple;
float: left;
margin: 20px;
}
#div2{
width: 200px;
height: 200px;
background: #555555;
float: left;
margin: 20px;
display: none;
}
</style>
<script>
window.onload=function () {
var oDiv1=document.getElementById("div1");
var oDiv2=document.getElementById("div2");
var timer=null;
oDiv1.onmousemove=function () {
clearTimeout(timer);
oDiv2.style.display="block";
}
oDiv1.onmouseleave=function () {
timer= setTimeout(function ()
{
oDiv2.style.display="none";
},500)
}
oDiv2.onmousemove=function () {
clearTimeout(timer);
}
oDiv2.onmouseleave=function () {
timer=setTimeout(function () {
oDiv2.style.display="none";
},500)
}
}
</script>
</head>
<body>
<div id="div1";></div>
<div id="div2"></div>
</body>
</html>