javascript - jQuery $.ajax Not Working in IE8 but it works on FireFox & Chrome -

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i have following ajax call works in firefox , chrome not ie:

function getajaxdates( startdate, numberofnights, opts ) {      var month   =   startdate.getmonth() + 1;     var day     =   startdate.getdate();     var year    =   startdate.getfullyear();     var d       =   new date();      var randnum =   math.floor(math.random()*100000000);      $.ajax({         type        :   "get",         datatype    :   "json",         url         :   "/availability/ajax/bookings?rand="+randnum,             cache       :   false,         data        :   'month='+month+'&day='+day+'&year='+year+'&nights='+numberofnights,         contenttype :   'application/json; charset=utf8',         success     :   function(data) {             console.log('@data: '+data);             insertcelldata(data, opts, startdate);         },         error:function(xhr, status, errorthrown) {             console.log('@error: '+errorthrown);             console.log('@status: '+status);             console.log('@status text: '+xhr.statustext);         }     }); }

i know fact variables passing right content , $.ajax indeed passing paramater/values.

this on error:

log: @error: undefined log: @status: parsererror log: @status text: ok

i'm aware of cache issue on ie , implemented random paramater clear up.

here json (i'm able see using charles)

{    "availability":[       {          "inventory_id":"5",          "booking_id":"21",          "start_date":"05-01-2010",          "number_nights":4,          "text":"defrancisco, martin - $500.00 active",          "type":"booking"       }    ] }

finally these headers sent backend:

header('content-type: application/json; charset=utf8'); header("cache-control: no-cache"); header("expires: 0"); header('access-control-max-age: 3628800'); header('access-control-allow-methods: get, post, put, delete');

any ideas?

i comment out contenttype , add datatype: "json"

from http://api.jquery.com/jquery.ajax/

datatype: the type of data you're expecting server.

contenttype: when sending data server, use content-type.

you specifying sending json, not - maybe issue?


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