<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<script type="text/javascript" src="js/jquery-1.12.1.js"></script>
<title>手风琴效果</title>
<style>
ul , h2 { padding:0; margin:0; }
li { list-style:none; }
body{}
.sfq{width:300px; height: 200px; float: left; }
.red{ background-color: red; }
.green{ background-color: green; }
.yellow{ background-color: yellow; }
.blue{ background-color:blue; }
.orange{ background-color: orange; }
</style>
<script type="text/javascript">
$(function(){
$(‘.sfq‘).mouseover(function(){
$(this).stop().animate({width:300},500).siblings().stop().animate({width:30},500)
})
})
</script>
</head>
<body>
<div class="sfq red"></div>
<div class="sfq green"></div>
<div class="sfq yellow"></div>
<div class="sfq blue"></div>
<div class="sfq orange"></div>
</body>
</html>
原文：http://www.cnblogs.com/zhangli1021/p/7109643.html