51help TIY
码：
<html> <head> <script type="text/javascript"> function changeAction() { var x=document.getElementById("myForm") alert("Original action: " + x.action) x.action="/htmldom/index.asp" alert("New action: " + x.action) x.submit() } </script> </head> <body> <form id="myForm" action="http://www.51help.tk/i/eg_smile.gif"> 名称：<input type="text" value="米老鼠" /> <input type="button" onclick="changeAction()" value="改变 action 表单" /> </form> </body> </html>
查看结果: