java - jquery not working in IE11 -

these methods jquery seems not working in ie11, same code working in firefox , chrome.

   function createcategory()     {     showloading();          $.post('<s:url value="/social/addeditcatsettings"/>',function(data){                      hideloading();                 $.prompt(data, {                         title: "add categories",                         buttons: { "add": true, "cancel": false },                         submit: function(e,v,m,f){                             if(v){                                 e.preventdefault();                                 saveupdatecat();                                 }                         }                  });             });     }     function saveupdatecat(id)     {        var name = $('#catname').val();        var name_sanitized = name.replace(some scritp....);        if(name !== name_sanitized)        {             showmessage('invalid input. please try again.',true);        }        else        {        var type = false;         jsonobj = [];        item = {}        item ["name"] = name;        item ["type"] = type;          if(typeof id != 'undefined')         {            item ["id"] = id;         };          if( btrim(name).length >0 )         {            item["mytoken"]='<s:property value="#session.mytoken"/>';             $.post('<s:url value='/social/saveorupdatecatsettings' />',item,function(data){                      if(data == 200)                  {                        hideloading();                       $.fancybox.close();                      if(typeof id != 'undefined')                     {                         showmessage('category updated successfully',false);                     }                     else                      {                         showmessage('category saved successfully',false);                      }                        loadtabcontent('managecats',profileid);                  }                else                    {                     showmessage('please try again.',true);                    }              });             }         else         {             showmessage('error,please fill required (*) fields',true);             hideloading();          }        }     } 

after hell of wasting hour,

i replaced $post $ajax , modified lines accordingly, worked me.