<html>
<head>
<script type="text/javascript" src="/jquery/jquery.js"></script>
<script type="text/javascript">
$(document).ready(function(){
$(".btn1").click(function(){
$("p").toggle(); //toggle()方法进行显示隐藏交互事件，如果显示的就进行隐藏，如果是隐藏的就显示
});
$(".btn2").toggle(function(){
$(".div1").toggle(); //显示
},function(){
$(".div2").toggle(); //隐藏
});
});
</script>
</head>
<body>
<p>This is a paragraph.</p>
<button class="btn1">Toggle</button>
<button class="btn2">Toggle2</button>
<div class="div1">11</div>
<div class="div2">22</div>
</body>
</html>