jquery 写的折叠菜单
<!DOCTYPE html>
<html>
<head>
<meta charset="gb2312">
<title>jqurey折叠菜单</title>
<script src="http://cdn.static.runoob.com/libs/jquery/1.10.2/jquery.min.js">
</script>
</head>
<body>
<!-- 折叠菜单开始 -->
<div >
<button ).not(this).next().slideUp();
});
</script>
<!-- 折叠菜单结束 -->
</body>
</html>