<!doctype html>
<html>
<head>
<meta charset="utf-8"/>
<title>速度动画</title>
<style>
body,div,span{
margin: 0;padding: 0;
}
#div1{
width: 200px;
height: 200px;
background: red;
position: relative;
left: -200px;
top: 0;
}
#div1 span{
width: 20px;height: 50px;
background: blue;
position: absolute;
left: 200px;
top: 75px;
}
</style>
</head>
<body>
<div id="div1">
<span id="share">分享</span>
</div>
</body>
</html>var oDiv = $('.div1')[0],
timer = null;
oDiv.onmouseover = function(){
startMove(0);
}
oDiv.onmouseout = function(){
startMove(-200);
}
function startMove(iTagget){
clearInterval(timer);
timer =setInterval(function(){
var speed =(iTagget-oDiv.offsetLeft)/20;
speed = speed>0? Math.ceil(speed):Math.floor(speed);
if(oDiv.offsetLeft == iTagget){
clearInterval(timer);
}else{
oDiv.style.left = oDiv.offsetLeft + speed + 'px';
}
},1)
}