Jquery ajax fails in IE on cross domain calls

Question

I am doing a cross domain request using   ajax  It works on Firefox and Chrome  but does not issue a call on IE 7 or 8  Can anyone tell me what s wrong with the following   I have used JSON and JSONP  which I stopped using  due to some custom restrictions   I am already using Allow-access-control-origin header on my site   Without those  Chrome and Firefox were not making successful requests   I have already tried https   developer mozilla org en http access control  Code    ajax       type   GET       url   quot http   anotherdomain com Service GetControl id  quot    zoneID      cache  false      contentType   quot application x-www-form-urlencoded quot       async  false      beforeSend  function  request              alert  before send              request setRequestHeader  quot X-Requested-With quot    quot XMLHttpRequest quot              request setRequestHeader  quot X-PINGOTHER quot    quot pingpong quot                success  function  data  status              alert  quot Data returned   quot    data             alert  quot Status   quot    status           if  status     quot success quot   amp  amp  data     quot  quot                  quot   quot    div id  append data           else                quot   quot    div id  attr  quot style quot    quot display none  quot               error  function  XMLHttpRequest  textStatus  errorThrown            alert textStatus           alert errorThrown              I have tried various tips present on multiple sites  but no luck yet

User · Answer

It s hard to tell due to the lack of formatting in the question  but I think I see two issues with the ajax call   1  the application x-www-form-urlencoded for contentType should be in quotes  2  There should be a comma separating the contentType and async parameters

User · Answer

Jquery does this for you  only thing is to set   support cors   true  Then cross domain request works fine in all browsers for jquery users

User · Answer

Microsoft always ploughs a self-defeating  at least in IE  furrow   http   www nczonline net blog 2010 05 25 cross-domain-ajax-with-cross-origin-resource-sharing   CORS works with XDomainRequest in IE8  But IE 8 does not support Preflighted or Credentialed Requests while Firefox 3 5   Safari 4   and Chrome all support such requests

User · Answer

Note  adding     support cors   true    was sufficient to force   ajax calls to work on IE8

User · Answer

Furqan Could you please let me know whether you tested this with HTTP POST method   Since I am also working on the same kind of situation  but I am not able to POST the data to different domain   But after reading  this it was quite simple   only thing is you have to forget about OLD browsers  I am giving code to send with POST method from same above URL for quick reference   function createCORSRequest method  url   var xhr   new XMLHttpRequest    if   withCredentials  in xhr       xhr open method  url  true     else if  typeof XDomainRequest     undefined        xhr   new XDomainRequest        xhr open method  url     else       xhr   null    return xhr     var request   createCORSRequest  POST    http   www sanshark com     var content    name sandesh amp lastname daddi   if  request       request onload   function          do something with request responseText    alert request responseText        request setRequestHeader  Content-type    application x-www-form-urlencoded                request setRequestHeader  Content-length   content length               request send content

User · Answer

Simply install this jQuery Plugin  jQuery Cross-Domain AJAX for IE8  This 1 4kb plugin works right away in Internet Explorer 8 and 9   Include the plugin after jQuery  and call your ajax request as normal  Nothing else required    Plugin GitHub repo and install instructions

User · Answer

For anyone whom might still have this problem using jQuery 2 0  I know I do   Jay Dave wrote the best jQuery workaround but I still have a few things to add to his code namely    make sure you are using the same protocol for requests  HTTP -  HTTP or HTTPS -  HTTPS   Ayush Gupta gave a link to knows issues handle the  onprogress  events with a no-op function  this will prevent IE from abording the requests after it receives the first bits from the server    The complete code is below      add ajax transport method for cross domain requests when using IE9 if  XDomainRequest  in window  amp  amp  window XDomainRequest     null         ajaxTransport       function  options  originalOptions  jqXHR               verify if we need to do a cross domain request           if not return so we don t break same domain requests        if  typeof options crossDomain      undefined      options crossDomain               return                    var xdr           return               send  function  headers  completeCallback                        Use Microsoft XDR                 xdr   new XDomainRequest                    xdr open  get   options url      NOTE  make sure protocols are the same otherwise this will fail silently                 xdr onload   function                         if this contentType match    xml                             var dom   new ActiveXObject  Microsoft XMLDOM                            dom async   false                          dom loadXML this responseText                           completeCallback 200   success    dom                          else                           completeCallback 200   success    this responseText                                                              xdr onprogress   function                        xdr ontimeout   function                        completeCallback 408   error     The request timed out                                          xdr onerror   function                        completeCallback 404   error     The requested resource could not be found                                          xdr send                               abort  function                     if xdr  xdr abort

User · Answer

Others coming around here might do well to read http   blogs msdn com b ieinternals archive 2010 05 13 xdomainrequest-restrictions-limitations-and-workarounds aspx which talks about limitations of XDomainRequest

User · Answer

I have the same problem in IE  I solved it by replacing    lt script src  http   ajax googleapis com ajax libs jquery 1 10 1 jquery min js  gt  lt  script gt    To   lt script src  http   ajax googleapis com ajax libs jquery 1 10 2 jquery min js  gt  lt  script gt    So basically upgrade your jquery version

User · Answer

For IE8  amp  IE9 you need to use XDomainRequest  XDR   If you look below you ll see it s in a sort of similar formatting as   ajax  As far as my research has got me I can t get this cross-domain working in IE6  amp  7  still looking for a work-around for this   XDR first came out in IE8  it s in IE9 also   So basically first  I test for 6 7 and do no AJAX    IE10  is able to do cross-domain normally like all the other browsers  congrats Microsoft    sigh   After that the else if tests for  XDomainRequest in window  apparently better than browser sniffing  and does the JSON AJAX request that way  other wise the ELSE does it normally with   ajax   Hope this helps   Took me forever to get this all figured out originally  Information on the XDomainRequest object     call with your url  with parameters      2nd param is your callback function  which will be passed the json DATA back   crossDomainAjax  http   www somecrossdomaincall com  blah 123   function  data           success logic      function crossDomainAjax  url  successCallback            IE8  amp  9 only Cross domain JSON GET request     if   XDomainRequest  in window  amp  amp  window XDomainRequest     null             var xdr   new XDomainRequest       Use Microsoft XDR         xdr open  get   url           xdr onload   function                  var dom    new ActiveXObject  Microsoft XMLDOM                    JSON     parseJSON xdr responseText                dom async   false               if  JSON    null    typeof  JSON      undefined                     JSON     parseJSON data firstChild textContent                              successCallback JSON      internal function                     xdr onerror   function                  result   false                        xdr send                   IE7 and lower can t do cross domain     else if  navigator userAgent indexOf  MSIE      -1  amp  amp               parseInt navigator userAgent match  MSIE    d       1   10   lt  8           return false                    Do normal jQuery AJAX for everything else               else             ajax               url  url              cache  false              dataType   json               type   GET               async  false     must be set to false             success  function  data  success                    successCallback data

User · Answer

Simply add   callback     or   amp callback     to your url     getJSON       url myUrl     callback         data  myData      success  function data             My function stuff                       When doing the calls  with everything else set properly for cross-domain  as above  this will trigger the proper JSONP formatting   More in-depth explanation can be found in the answer here

User · Answer

Add extra transport to jquery for IE    Just add this code in your script at the end      ajaxTransport       function  options  originalOptions  jqXHR          if jQuery browser msie  amp  amp  window XDomainRequest             var xdr           return                send  function  headers  completeCallback                         Use Microsoft XDR                 xdr   new XDomainRequest                     xdr open  get   options url                    xdr onload   function                          if this contentType match    xml                              var dom   new ActiveXObject  Microsoft XMLDOM                            dom async   false                          dom loadXML this responseText                           completeCallback 200   success    dom                          else                           completeCallback 200   success    this responseText                                                                xdr ontimeout   function                        completeCallback 408   error     The request timed out                                          xdr onerror   function                        completeCallback 404   error     The requested resource could not be found                                          xdr send                           abort  function                   if xdr xdr abort                                             This solved my problem with Jquery   ajax failing for Cross Domain AJAX request   Cheers

User · Answer

I had a similar problem in IE9 where some CORS calls were aborting  while others weren t  My app is also dependent on a promise interface  so the XDomainRequest suggestions above weren t EXACTLY what I needed  so I added a deferred into my service get workaround for IE9  Hopefully it can be useful to someone else running across this problem         get  function  url            if   XDomainRequest  in window  amp  amp  window XDomainRequest     null                var deferred     Deferred                var xdr        new XDomainRequest                 xdr open  get   url                xdr onload   function                   json   xdr responseText                parsed json     parseJSON json                 deferred resolve parsed json                              xdr send                return deferred            else               return   ajax                   url  url                  type   GET                   dataType   json                   crossDomain  true

User · Answer

Could you check if the problem with IE relies on not defining security zones to allow cross domain requests  See this microsoft page for an explanation  OTOH  this page mentions that IE7 and eariler cannot do cross domain calls  but IE8 can  using a different object than XMLHttpRequest  the one JQuery uses  Could you check if XDomainRequest works  EDIT  2013-08-22  The second link is dead  so I m writing here some of its information  taken from the wayback machine   XDomainRequest Supported  IE8 Rather than implement the CORS version of XMLHttpRequest  the IE team have gone with there own propriety object  named XDomainRequest  The usage of XDomainRequest has been simplified from XMLHttpRequest  by having more events thrown  with onload perhaps being the most important   This implementation has a few limitations attached to it  For example  cookies are not sent when using this object  which can be a headache for cookie based sessions on the server side  Also  ContentType can not be set  which poses a problem in ASP NET and possibly other server side languages  see http   www actionmonitor co uk NewsItem aspx id 5   var xdr   new XDomainRequest    xdr onload   function     alert  quot READY quot       xdr open  quot GET quot    quot script html quot    xdr send

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