category value. String if parseDates is false, Date if true.
Timestamp of a series date. Avalable only if parseDates property of CategoryAxis is set to true.
Coordinate (horizontal or vertical, depends on chart's rotate property) of the series.
Generated using TypeDoc
You can access each GraphDataItem using this object. The data structure is: graphDataItem = serialDataItem.axes[axisId].graphs[graphId].