const max = data3.reduce((pre, cur) => pre > cur ? pre : cur)
const min = data1.reduce((pre, cur) => pre > cur ? cur : pre)
let xData = this.cData.map(item => {
return item.1
})
const max = data3.reduce((pre, cur) => pre > cur ? pre : cur)
const min = data1.reduce((pre, cur) => pre > cur ? cur : pre)
let xData = this.cData.map(item => {
return item.1
})