第1种方式:
$(document).ready(function(){
$("#clickme").click(function(){
alert("Hello World click");
});
第2种方式:
$('#clickmebind').bind("click", function(){
alert("Hello World bind");
});
第3种方式:
$('#clickmeon').on('click', function(){
alert("Hello World on");
});
});
注意:第3种方式只适用于jquery 1.7以上的版本
源码以下:
<span style="color:#333333;"><!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=gb2312" />
<script type="text/javascript" src="js/jquery⑴.6.1.min.js"></script>
<script type="text/javascript" src="js/jquery.validate.js"></script>
<script type="text/javascript" src="js/jquery.metadata.js"></script>
<script type="text/javascript" src="js/messages_zh.js"></script>
<style type="text/css">
#frm label.error {
color: Red;
}
</style>
</head>
<script type="text/javascript">
$(document).ready(function(){
$("#clickme").click(function(){
alert("Hello World click");
});
$('#clickmebind').bind("click", function(){
alert("Hello World bind");
});
$('#clickmeon').on('click', function(){
alert("Hello World on");
});
});
</script>
<body>
<label></label>
<form id="frm" name="frm" method="post" action=""><label>用 户 名:
<input type="text" name="username" id="username" />
</label>
<p>
<label>邮 编 :<label></label></label>
<label>
<input type="text" name="postcode" id="postcode" />
<br />
</label>
</p>
<p><label>数 字 :
<input type="text" name="number" id="number" />
</label>
<br /><label>身份证号:
<input type="text" name="identifier" id="identifier" />
</label>
<label>
<input type="button" name="clickme" id="clickme" value="click me" />
</label>
<label>
<input type="button" name="clickmebind" id="clickmebind" value="clickme_bind" />
</label>
<label>
<input type="button" name="clickmeon" id="clickmeon" value="clickme_on" />
</label>
</p>
</form>
</body>
</html>
</span>