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延时提示框 setTimeout

2016-03-11 19:22 274 查看

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title></title>
<style type="text/css">
#div1{
width: 50px;
height: 50px;
background: red;
float: left;
}
#div2{
width: 100px;
height: 100px;
background: blue;
float: left;
display: none;
margin-left: 10px;
}
</style>
<script>
window.onload = function(){
var oDiv1 = document.getElementById("div1");
var oDiv2 = document.getElementById("div2");
var timer = null;
oDiv2.onmouseover = oDiv1.onmouseover = function(){
clearTimeout(timer);
oDiv2.style.display = "block";
}
oDiv2.onmouseout = 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);
//
//				}

}
</script>
</head>
<body>
<div id="div1"></div>
<div id="div2"></div>
</body>
</html>

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