日期:2014-05-17 浏览次数:20537 次
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title>无标题页</title>
<script type="text/javascript">
var b = document.documentElement||document.body;
var divPositionTop = 100,ST=0,Temp=0;
function SetDiv(obj){
var divTop = parseInt(obj.style.top);
ST = b.scrollTop;
if(divPositionTop+ST!=divTop){
Temp=Math.ceil((divPositionTop+ST-divTop)*0.1);
obj.style.top=(divTop+Temp)+"px"
}
}
window.onload = function(){
var obj = document.getElementById("test");
setInterval(function(){SetDiv(obj)},10)
}
</script>
</head>
<body style="height:2000px;">
<div id="test" style="position:absolute;top:100px;right:10px;background:#000;width:100px;height:100px"></div>
</body>
</html>