Works with 3 data points but breaks on 2 about morris.js HOT 2 CLOSED

        if (index !== null && prevHilight !== index) {
          for (i = 0, _ref10 = seriesPoints.length - 1; 0 <= _ref10 ? i <= _ref10 : i >= _ref10; 0 <$
(line 225)            seriesPoints[i][index].animate(pointGrow);
          }
          updateHover(index);
        }
        prevHilight = index;
        if (index === null) return hideHover();