Creating a AJAX Call (Syntax)

jQuery('.exportmember').click(function(){

              var data = {

                  action         : 'get_all_portalresource',

                  pageno         : jQuery('#poralresourcepageno').val(), 

                  category       : category,

                  popular        : popular          

              }

              jQuery.ajax({

                  url    : 'http://localhost/membership_dev/wp-admin/admin-ajax.php',

                  type   : 'POST',

                  data   : data,      

                  beforeSend: function() {

                  },         

                  success: function(response) {

                  }

              });

            });