将字符串数组转换为数字数组

var arr = ['123','22'];
var result = arr.map((s) => { 
    return s.split("").map((x) => { 
        return x - 0;
    }).reduce((x,y) => { 
        return x*10+y;
        })
})
console.log(result)//[ 123, 22 ]