<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
<style type="text/css">
*{margin:0; padding: 0;}
#div1{width: 200px; height: 200px; position: relative; left: -200px; background: red; top:0;}
#div1 #share{width:20px; height: 50px; left:200px; background: blue; top:75px; position: absolute;}
</style>
<script type="text/javascript">
window.onload=function()
{
var oDiv=document.getElementById('div1');
oDiv.onmouseover=function(){
startMove(0);
}
oDiv.onmouseout=function(){
startMove(-200);
}
}
var timer=null;
function startMove(iTarget){
clearInterval(timer);
var oDiv=document.getElementById('div1');
timer=setInterval(function(){
var speed=0;
if(oDiv.offsetLeft>iTarget){
speed=-10;
}else{
speed=10;
}
if(oDiv.offsetLeft==iTarget){
clearInterval(timer);
}else{
oDiv.style.left=oDiv.offsetLeft+speed+'px';
}
},30)
}
</script>
</head>
<body>
<div id="div1">
<span id="share">分享</span>
</div>
</body>
</html>美女老师讲的真好
