​x
 
<html>
<head>
<script type="text/javascript">
function preferedBrowser()
{
prefer=document.forms[0].browsers.value
alert("鎮ㄦ祻瑙堝櫒浜掕仈缃戞椂鍠滄浣跨敤 " + prefer)
}
</script>
</head>
​
<body>
​
<form>
璇烽€夋嫨鎮ㄥ枩娆㈢殑娴忚鍣細
<select id="browsers" onchange="preferedBrowser()">
<option value="Internet Explorer">Internet Explorer
<option value="Netscape">Netscape
</select>
</form>
​
</body>
</html>
​