51help TIY
码：
<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> ： <select id="myList" onchange="favBrowser()"> <option>Internet Explorer</option> <option>Netscape</option> <option>Opera</option> </select> <p>览器是：<input type="text" id="favorite" size="20"></p> </form> </body> </html>
查看结果: