labels: [ 'Date', 'Y1', 'Y2', 'Y3', 'Y4' ],
width: 640,
height: 350,
- 'Y3': {
- axis: {
- }
- },
- 'Y4': {
- axis: 'Y3' // use the same y-axis as series Y3
+ series: {
+ 'Y3': { axis: 'y2' },
+ 'Y4': { axis: 'y2' }
},
xAxisLabelWidth: 100,
yAxisLabelWidth: 100,