将JS数组转成Number类型或者String类型

1.将string数组转成number数组

// 字符数组转数字数组
let strArr = ["2", "3", "1", "1"]
let numArr = strArr.map(Number)
console.log(numArr)

2.将number数组转成string数组

// number数组转为string数组
let numArr1 = [2, 3, 1, 1]
let strArr1 = strArr.map(String)

console.log(strArr1)

JS 数组转成Number类型或者String类型

原文：https://www.cnblogs.com/bgnb/p/14660126.html