jquery实现侧边栏左右伸缩效果的示例
jquery实现点击侧边栏伸缩效果。点击收缩，侧边栏向左收缩，显示按钮显示；点击显示按钮，显示按钮向左收缩，侧边栏显示。
具体代码如下：
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title></title>
<script src="js/jquery.js" type="text/javascript" charset="utf-8"></script>
<style>
*{margin: 0;padding: 0;}
#box{width: 100%;height: 100%;}
#left{width: 200px;float: left;background-color: royalblue;position: relative;}
#btn{width: 100%;height: 50px;background-color: darkgoldenrod;line-height: 50px;text-align: center;color: white;cursor: pointer;}
#btnb{width: 50px;height: 50px;background-color: red;position: absolute;cursor: pointer;left: -50px;line-height: 50px;text-align: center;}
</style>
</head>
<body>
<div id="box">
<div id="left">
<div id="btn">收缩</div>
</div>
<div id="btnb">
显示
</div>
</div>
<script type="text/javascript">
$(function(){
$a = $(window).height();
$("#left").height($a);
$("#btn").click(function(){
$("#left").animate({left:'-200px'});
$("#btnb").delay(500).animate({left:'0'});
});
$("#btnb").click(function(){
$("#btnb").animate({left:'-50px'});
$("#left").delay(500).animate({left:'0'});
});
});
</script>
</body>
</html>效果图：
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