<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>Hello World jQuery!</title>
<script type="text/javascript" src="jquery-1.3.2.min.js"></script>
</head>
<body>
<div id="divMsg">Hello World!</div>
<input id="btnShow" type="button" value="显示" />
<input id="btnHide" type="button" value="隐藏" /><br />
<input id="btnChange" type="button" value="修改内容为Hello World,jb51!" />
<script type="text/javascript" >
$("#btnShow").bind("click", function(event) { $("#divMsg").show();});
$("#btnHide").bind("click", function(event) { $("#divMsg").hide();});
$("#btnChange").bind("click", function(event){ $("#divMsg").html("Hello World, jb51!"); });
</script>
</body>
</html>