​x
 
<html>
<head>
<script type="text/javascript">
function favBrowser()
{
var mylist=document.getElementById("myList")
document.getElementById("favorite").value=mylist.options[mylist.selectedIndex].text
}
</script>
</head>
​
<body>
<form>
请选择您喜欢的浏览器：
<select id="myList" onchange="favBrowser()">
  <option>Internet Explorer</option>
  <option>Netscape</option>
  <option>Opera</option>
</select>
<p>您喜欢的浏览器是：<input type="text" id="favorite" size="20"></p>
</form>
</body>
​
</html>
​