option = { xAxis: { type: 'value', }, yAxis: [{ name: 'A', type: 'value', }, { name: 'B', type: 'value', position: 'right', }], series: [{ name: 'aaa', data: [ [1.5, 10], [5, 7], [8, 8], [12, 6], [11, 12], [16, 9], [14, 6], [17, 4], [19, 9] ], type: 'line' }, { name: 'bbb', data: [ [1.5, 110], [5, 80], [8, 90], [12, 70], [11, 130], [16, 100], [14, 70], [17, 50], [19, 100] ], type: 'line', yAxisIndex: 1, }] };