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In the following code, all I am trying to do is to get the HTTP response code from a jQuery.ajax call. Then, if the code is 301 (Moved Permanently), display the 'Location' response header: <?xml version="1.0" encoding="utf-8"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> <head> <title>jQuery 301 Trial</title> <script src="http://code.jquery.com/jquery-1.5.1.min.js"></script> <script type="text/javascript"> function get_resp_status(url) { $.ajax({ url: url, complete: function (jqxhr, txt_status) { console.log ("Complete: [ " + txt_status + " ] " + jqxhr); // if (response code is 301) { console.log ("Location: " + jqxhr.getResponseHeader("Location")); // } } }); } </script> <script type="text/javascript"> $(document).ready(function(){ $('a').mouseenter( function () { get_resp_status(this.href); }, function () { } ); }); </script> </head> <body> <a href="http://0w.ly/4etPl">Test 301 redirect</a> <a href="http://cnn.com/not_found">Test 404 not found</a> </body> </html> Can someone point out where I am going wrong? When I check the 'jqxhr' object in Firebug, I can't find the status code, nor the 'Location' response header. I set the breakpoint on last line of 'complete'.

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