code: function () {
                      var results = new Array(this.length);
                      for (var i = 0, len = this.length; i < len; i++) {
                          var item = this.getItem(i);
                          if (item) {
                              results[i] = item.data;
                          }
                      }
                      return results;
                  }
docs: returns [ data* ]