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I'm trying to AJAXify an old website form without modifying the back end. Originally, the backend would response with a "302 Moved" redirect to a "thank you" page after receiving the form.
Now, when I try to submit the form using a jQuery $.ajax call, the form data gets submitted successfully, but the "302 Moved" redirect seems to get cancelled by the browser and jQuery doesn't know what's going on.
My problem is that no matter what happens, the $.ajax call returns with an error and status = 0, so I have no way to distinguish between a successful submit and an error.
Is there a way to prevent the browser from trying to follow the redirect, or at least getting back the proper response codes? (I'm using Chrome.)
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ajax appears to always follow redirects. How can I prevent this, and see the redirect without following it? There are various questions with titles like "jquery ajax redirect" but they all appear to involve accomplishing some other goal, rather than just directly checking the status that a server gives.
It receives the returned data and the value of dataType , and must return the (possibly altered) data to pass on to success . success callback option is invoked, if the request succeeds. It receives the returned data, a string containing the success code, and the jqXHR object.
The HyperText Transfer Protocol (HTTP) 302 Found redirect status response code indicates that the resource requested has been temporarily moved to the URL given by the Location header.
Whenever an Ajax request completes with an error, jQuery triggers the ajaxError event. Any and all handlers that have been registered with the .ajaxError() method are executed at this time. Note: This handler is not called for cross-domain script and cross-domain JSONP requests.
I think no,you can't do it without changing the back-end.You have to change the response header,for Ajax to know/understand what to do.If you made a redirect,you have to change the header,because Ajax call response will not do it.
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