JavaScript преобразует массив строк в числа
const toNumbers = arr => arr.map(Number);
toNumbers(['1', '2', '3','4']); // [1, 2, 3, 4]
Batman
const toNumbers = arr => arr.map(Number);
toNumbers(['1', '2', '3','4']); // [1, 2, 3, 4]let arrayOfNumbers = arrayOfStrings.map(Number);//convert array to string first and use this code
var y =x.toString().split(',').map(Number)
array = ['1','2','3']
arrayInt = array.map(Number)
//arrayInt = [1,2,3]