code: function(time) {
              if (this.pulldown && !this.disablePulldown) {
                  if (this.y >= this.options.down.height) {
                      this.pulldownLoading(undefined, time || 0);
                      return true;
                  } else {
                      !this.loading && this.topPocket.classList.remove(CLASS_VISIBILITY);
                  }
              }
              return this._super(time);
          }
docs: API