OptionalbaselineOptionalcolor[r, g, b, a] in 0..1 or a CSS color ('#3b82f6', 'rgb(...)', 'hsl(...)', named)
OptionallineStroke width in CSS pixels for this series (overrides LineChartOptions.lineWidth)
OptionalshowShow a circular tip even for a zero-length stem (default true).
OptionalsymbolSample values; NaN / null / undefined are missing (see nulls)
Optionalxx of each sample (same length as values, finite, sorted ascending; irregular spacing is
fine). Give it for every series or none; without it samples are spaced evenly by index.
Numbers are plain values or epoch ms (axes.x.type: 'time'); Date[] implies a time axis.
Optionalyy axis of this series (2D line charts): any 'right' series opts the chart into a second y
axis with its own domain / scale / ticks (axes.y2); gridlines follow the left axis
(default: 'left'; ignored by area charts)
Stem floor in data units (default 0).