Ajax submission unresponsive solution in IE jquery.form

Spent three head, repeatedly check, found that the original is changed processing page return header information.
With the Application/x-javascript, IE8 no work.
If it is text/html, it is OK, or it is not specified.
Is it a bug? Let me say hello to the IE developer who wrote this piece of code.

Ajax header information, coding seems to pay attention to hey.

Introduction to the way Ajax submits form data

Number of URL parameter submissions

The code is as follows

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<script type = "Text/javascript" src = ". /js/jquery.js "></script> <script type= "Text/javascript" > function checkcorpid ()//Check if customer number is available { if ($.trim ("#txtF_CORPID") [0].value) = "")//txtf_corpid is the customer number input box { Alert ("Please enter customer number!"); } Else { $ ("#checkFlag"). HTML ("detecting");//display of prompts $.ajax ({ Type: "Get", URL: "Checkcorpid.ashx", Data: "Id=" +$.trim ($ ("#txtF_CORPID") [0].value),//Submit form, equivalent to Checkcorpid.ashx?id=xxx Success:function (msg) {$ ("#checkFlag"). HTML (""); alert (msg); Operation after the successful operation! MSG is a backstage pass. }); } } </script>

Two: Form submission data foreground code:

The code is as follows

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<script type = "Text/javascript" src = ". /js/jquery.js "></script>//Must be referenced <script type = "Text/javascript" src = ". /js/jquery.form.js "></script>//Must be referenced <script type= "Text/javascript" > Wait for the DOM to be loaded $ (document). Ready (function () { $ (' #Tip '). Hide ()//The element that displays the action hint is not visible $ (' #form1 '). Submit (function ()/form { Alert ("ddd"); var options = { Target: ' #Tip ',//background will assign the passed value to the element. URL: ' Returnvisit.aspx?flag=do ',//submitted to which execution Type: ' POST ', Success:function () {Alert ($ (' #Tip '). text ());//Show Action Tips }; $ (' #form1 '). Ajaxsubmit (options); return false; In order not to refresh the page, return false, anyway, has been done in the background, nothing!                });              }          );      </script>