code: function (left, top) {
              left = parseInt(left, 10) || 0;
              top = parseInt(top, 10) || 0;
              this.scrollToOffset(left + this.state.scrollLeft, top + this.state.scrollTop);
          }
docs: Scrolls by the given pixel amount from the current location
  @param  {int} left Left offset to scroll to
  @param  {int} top  Top offset to scroll to
  @returns {void}