</head>
<html>
<head>
<script type="text/javascript" src="../jquery/jquery.js" tppabs="http://www.w3school.com.cn/jquery/jquery.js"></script>
<script type="text/javascript">
$(document).ready(function(){
$("button").click(function(){
$("p").html("逗你玩");
});
});
</script>
</head>

<body>
<h3>This is a heading</h3>
<p>This is a paragraph.</p>
<p>This is another paragraph.</p>
<button type="button">Click me</button>
</body>

</html>