json - jquery parseJson returning null -


i'm trying parse following json using jquery...

{     "notificationhistory": [         {             "userid": "richard",             "createdtime": "2014-10-01t15:20:55",             "actiontype": "y",             "note": "richard test",             "actioncode": "ac",             "lastmodified": "2015-04-28t10:52:28"         }     ] } 

my jquery function try , looks liek this....

function loadnotificationbardata() {     var url = "json/notificationbar.action";     $.ajax({         url: url,         type: 'get',         datatype: 'json',         success: function(data) {             var json = $.parsejson(data);                            alert(json.notificationhistory[0].actiontype);             alert(json.notificationhistory[0].actioncode);             alert(json.notificationhistory[0].note);                        }     }); } 

but not working me. keep getting null var json.

can me please?

thanks

unless i'm mistaken, jquery $.ajax parses data json automatically you, remove var json = $.parsejson(data); code not needed