These pages outline the chart configuration options, and the methods and properties of Highcharts objects.
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Defines when to display a gap in the graph, together with the gapUnit option.
In case when
dataGrouping is enabled, points can be grouped
into a larger time span. This can make the grouped points to have
a greater distance than the absolute value of
which will result in disappearing graph completely. To prevent
this situation the mentioned distance between grouped points is
used instead of previously defined
In practice, this option is most often used to visualize gaps in time series. In a stock chart, intraday data is available for daytime hours, while gaps will appear in nights and weekends.