<!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">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>js简单动画</title>
<style type="text/css" >
*{
margin:0;
padding:0;
}
#div1 {
width:200px;
height:200px;
background:purple;
position:relative;
left:-100px;
top:0;
}
#div1 span {
width:20px;
height:50px;
background:skyblue;
position:absolute;
left:200px;
top:75px;
}
</style>
<script type="text/jscript" >
window.onload() = function(){
var odiv = document.getElementById('div1');
odiv.onmouseover = function(){
startMove();
}
}
function startMove(){
var odiv = document.getElementById('div1');
setInterval(function(){
odiv.style.left = odiv.offsetLeft+10+'px';
},30);
}
</script>
</head>
<body>
<div id="div1">
<span id="share">分享</span>
</div>
</body>
</html>