<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">
<head>
<meta http-equiv="Content-Type" content="text/html;charset=UTF-8">
<title>Document</title>
<style>
*{
margin: 0;
padding: 0;
}
#div1{
100px;
height: 200px;
background: #ccc;
position: absolute;
top: 50px;
left: -100px;
}
#div1 span{
display: block;
20px;
line-height: 20px;
height: 60px;
text-align: center;
position: absolute;
left: 100px;
top: 70px;
background: #fcf;
}
</style>
<script>
window.onload=function(){
var oDiv = document.getElementById('div1');
oDiv.onmouseover=function(){
startMove(0);
};
oDiv.onmouseout=function(){
startMove(-100);
};
};
var timer = null;
function startMove(iTarget){
var oDiv = document.getElementById('div1');
clearInterval(timer);
timer=setInterval(function(){
var iSpeed=0;
if(oDiv.offsetLeft<iTarget){
iSpeed=10;
}
else{
iSpeed=-10;
}
if(oDiv.offsetLeft==iTarget){
clearInterval(timer);
}
else{
oDiv.style.left=oDiv.offsetLeft+iSpeed+'px';
}
},30);
}
</script>
</head>
<body>
<div id="div1">
<span>分享到</span>
</div>
</body>
</html>