OptionalparentElement: HTMLElementReadonlycellThe cell to which the content belongs.
OptionalchartThe Highcharts chart instance.
ReadonlyrendererThe renderer that allows to print content (inputs, selects, etc.)
StaticdefaultThe default chart options for the sparkline content.
StaticHHighcharts namespace used by the Sparkline Renderer.
This is set to undefined by default, and should be set to the
Highcharts namespace before using the Sparkline Renderer.
Represents a sparkline type of cell content.