ChartViewportSettings.maxVisibleRange Property
Gets or sets a value identifying a range of values along the axis to automatically zoom into, with the
rest accessed by scrolling.
Property Value
Type: Object
Value may be null.
A start date or array of dates, or an object to be used by maxVisibleRangePromise.
Remarks
maxVisibleRangePromise must be re-populated after setting this property.