<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta charset="utf-8">
<title></title>
<script src="http://libs.baidu.com/jquery/1.9.0/jquery.js" type="text/javascript"></script>
<style type="text/css">
#cube{
position: absolute;
left: 50%;
top: 50%;
margin-left: -50px;
margin-top: -50px;
width: 100px;
height: 100px;
background-color: red;
}
</style>
</head>
<body>
<script type="text/javascript">
$(function(){
$("#left").click(function(){
$("#cube").animate(
{
left:"-=20px"
},300,function(){
$("#cube").html("左移");
}
)
});
$("#right").click(function(){
$("#cube").animate(
{
left:"+=20px"
},300,function(){
$("#cube").html("右移");
}
)
});
})
</script>
<button id="left">左移</button>
<button id="right">右移</button>
<div id="cube"></div>
</body>
</html>
