<script type="text/javascript">
var mylist=document.getElementById("myList")
document.getElementById("favorite").value=mylist.options[mylist.selectedIndex].text
<select id="myList" onchange="favBrowser()">
<option>Internet Explorer</option>
<option>Netscape</option>
<p>您喜欢的浏览器是:<input type="text" id="favorite" size="20"></p>