OptionalbandOptionalcolorDefault: theme palette in series order
OptionalcurveOptionaldashCSS-px dash lengths [on, off] or [on, off, on, off] ([a] = [a, a]); empty = solid
OptionallineStroke width of line / area series in CSS px (default: ComboChartOptions.lineWidth, 2)
OptionalmarkerOptionalnullsOptionalpiecesPiecewise colors: the stroke, area fill, markers and tooltip swatch take the color of the first piece containing the value (outside every piece: the series color), switching exactly where the drawn line crosses a bound
OptionalpiecesValue the pieces test: 'y' (default; area fills are banded by height) or 'x' (data x,
epoch ms on a time axis, or the sample index without x)
OptionalpointDeprecated alias of marker: { size }
'bar', 'line', or 'area' (a line filled down to zero, translucent)
Optionalyy axis of this series (default 'left'). Any 'right' series adds a second y axis with its
own domain and ticks (axes.y2); gridlines follow the left axis. Every bar series shares the
first bar series' axis (bars stack / group on one scale).
Optionalyy axis index (overrides yAxis): 0 = axes.y, 1 = axes.y2, 2.. = axes.extraY[k - 2].
One combo series: one value per category / x (
NaN/null= missing).