These pages outline the chart configuration options, and the methods and properties of Highcharts objects.
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Format to use for describing the data series group to assistive technology - including screen readers.
The series context and its subproperties are available under the
variable {series}, for example {series.name} for the series
name, and {series.points.length} for the number of data points.
The chart context and its subproperties are available under the
variable {chart}, for example {chart.series.length} for the
number of series in the chart.
{seriesDescription} refers to the automatic description of the
series type and number of points added by Highcharts by default.
{authorDescription} refers to the description added in
series.description if one is
present. {axisDescription} refers to the description added if
the chart has multiple X or Y axes.
Note that if series.descriptionFormatter is declared it will take precedence, and this option will be overridden.