JS  停留几秒钟后跳转网页

<script type="text/javascript">  
        $(document).ready(function () {  
            //$("#submitbtn").click(function(){  
                setTimeout(function(){//两秒后跳转
                   alert("恭喜你注册成功，两秒后跳转。"); 
                   //location.href = "index.php";//PC网页式跳转
                 $.mobile.changePage("index.php"); //手机网页式跳转
                },2000);
           // });  
  
        });  
  
  
</script>