<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>展开收起</title>
<script type="text/javascript" src="jquery-1.7.1.min.js"></script>
<script type="text/javascript">
$(function(){
$('#btn1').click(function(){
$('#div1').toggle();
});
$('#btn2').click(function(){
$('#div2').fadeToggle();
});
$('#btn3').click(function(){
if($('#div3').is(':visible')){
$('#div3').slideUp();
}else{
$('#div3').slideDown();
}
});
})
</script>
<style>
#div1,#div2,#div3{
width:500px;
height:500px;
background:red;
display:none;
}
</style>
</head>
<body>
<h2>toggle()</h2>
<input type="button" value="toggle" />
<div ></div>
<hr />
<h2>fadeToggle()</h2>
<input type="button" value="fadeToggle" />
<div ></div>
<hr />
<h2>slideDown(),slideUp</h2>
<input type="button" value="downUp" />
<div ></div>
</body>
</html>