SOURCE

const Arr = ["1115.1","12.5","100.1"]

function sortArr (){
    const delArr = []
    Arr.forEach((items,index) =>{
        let a = {
            salesVolume: parseFloat(items), // 销量
            month:index + 1 + "月" // 月份
        }
        delArr.push(a)
    })
    delArr.sort((a,b) =>{
        return a.salesVolume - b.salesVolume
    })
    console.log(delArr)
}
sortArr()