HTML 代碼:
<p></p><br/>
<select id="single">
<option>Single</option>
<option>Single2</option>
</select>
<select id="multiple" multiple="multiple">
<option selected="selected">Multiple</option>
<option>Multiple2</option>
<option selected="selected">Multiple3</option>
</select>
jQuery 代碼:
$("p").append(
"<b>Single:</b> " + $("#single").val() +
" <b>Multiple:</b> " + $("#multiple").val().join(", ")
);
結果:
[ <p><b>Single:</b>Single<b>Multiple:</b>Multiple, Multiple3</p>]
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>val()方法</title>
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js" type="text/javascript"></script>
<script language="javascript">
$(function(){
$("input[type=button]").click(function(){
var sValue=$(this).val();//先獲取按鈕的value值
$("input[type=text]").val(sValue); //賦給文本框
});
});
</script>
</head>
<body>
<p>
<input type="button" value="Feed">
<input type="button" value="the">
<input type="button" value="Input">
</p>
<p>
<input type="text" value="click a button">
</p>
</body>
</html>
