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<!doctype html>
<html>
<head>
<meta charset = "utf-8">
<title>未命题</title>
<style>
*{margin: 0;
padding: 0;
}
#div1{
height: 200px;
width: 150px;
background: red;
position:absolute;
top:50px;
left: -150px;
}
#div2{
height: 50px;
width: 20px;
background: black;
color: white;
position:absolute;
top:100px;
right:-20px;
line-height: 25px;
cursor: pointer;
}
</style>
<script>
window.onload = function ()
{
odiv1 = document.getElementById(‘div1‘);
odiv2 = document.getElementById(‘div2‘);
var timer = null;
odiv1.onmouseover= function ()
{
ToMove(div1,0,10);
}
odiv1.onmouseout = function ()
{
ToMove(div1,-150,-10);
}
function ToMove (obj,goal,speed)
{
clearInterval(timer);
timer = setInterval(function(){
if(obj.offsetLeft == goal)
{
clearInterval(timer);
}
else
{
obj.style.left = obj.offsetLeft + speed + ‘px‘;
}
},30);
}
}
</script>
</head>
<body>
<div id="div1"><div id="div2">分享</div></div>
</body>
</html>
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原文地址：http://www.cnblogs.com/mayufo/p/4321811.html
