code: function redraw() {
  
  			// hide tooltip and hover states
  			if (tracker.resetTracker) {
  				tracker.resetTracker();
  			}
  
  			// render the axis
  			render();
  
  			// move plot lines and bands
  			each(plotLinesAndBands, function (plotLine) {
  				plotLine.render();
  			});
  
  			// mark associated series as dirty and ready for redraw
  			each(associatedSeries, function (series) {
  				series.isDirty = true;
  			});
  
  		}
docs: Redraw the axis to reflect changes in the data or axis extremes