The indices of the series the chart is drawing: every series in w.config.series except those hidden through the legend and those ApexCharts dropped (an empty value array — mixed point formats, for one).
w.config.series
The chart
Series indices, in config order
The indices of the series the chart is drawing: every series in
w.config.seriesexcept those hidden through the legend and those ApexCharts dropped (an empty value array — mixed point formats, for one).