orderedUsers: function () {

                var arr = this.users;

                for (var i = 0; i < arr.length - 1; i++) {

                    for (var j = i + 1; j < arr.length; j++) {

                        var tmp = arr[i];

                        if (arr[i].name.split('')[0] > arr[j].name.split('')[0]) {

                            tmp = arr[i];

                            arr[i] = arr[j];

                            arr[j] = tmp;

                        }

                    }

                }

                return arr;

            }