charts/combo/combo_chart library
Combo chart — bar and line series sharing the same axis.
Each series declares its render type via "seriesType": "bar" or "line".
Optionally a secondary Y-axis can be assigned to specific series
via "yAxis": 1.
JSON:
{
"type": "combo",
"categories": ["Q1","Q2","Q3","Q4"],
"series": [
{ "name": "Revenue", "seriesType": "bar", "data": [820, 930, 1140, 1300] },
{ "name": "Costs", "seriesType": "bar", "data": [600, 680, 790, 960] },
{ "name": "Margin %", "seriesType": "line", "data": [27, 27, 31, 26], "yAxis": 1 }
]
}