​x
 
<html>
<head>
​
<script type="text/javascript">
​
function go()
{
location=document.forms[0].gowhere.value
}
​
</script>
​
</head>
<body>
​
<form>
<select id="gowhere" onchange="go()">
<option>-Select location-</option>
<option value="/asp/index.asp">ASP 教程</option>
<option value="/html/index.asp">HTML 教程</option>
<option value="/js/index.asp">JavaScripts 教程</option>
</select>
</form>
​
</body>
</html>
​