ReadonlybaseReadonlydirectionDirection the bars grow from the base.
Optional ReadonlyfillFill color for the bars, can be static or function based on data.
Optional ReadonlyspaceSpace between bars in pixels.
ReadonlystrokeWhether to show stroke outline on bars.
Optional ReadonlywidthRatio of bar width to available space.
ReadonlyyData accessor function(s) for y-values. Can be single function or array of functions for multiple groups.
Function or number for the base of the bars.