要完成此效果把如下代码加入到区域中 <form name="menuform"> <select size="1" name="msg"> <option> Welcome To Typhoon Start. </option> <option> JavaScript Fairyland. </option> <option> 脚本之家_www.jb51.net. </option> <option>我只是提出这种思路，其它要靠自己发挥喽. </option></select> </form> <script language="javascript"> <!-- Begin function rotate() { menu = document.menuform.msg; chosen = menu.selectedIndex; menu.selectedIndex= (chosen == (menu.length-1)) ? 0 : chosen + 1; setTimeout("rotate()",5000); } rotate(); // End --> </script> [Ctrl+A 全选 注:如需引入外部Js需刷新才能执行]
