JavaScript convierte una matriz de cadenas a números
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]var a = "1,2,3,4";
var b = a.split(',').map(function(item) {
return parseInt(item, 10);
});let arrayOfNumbers = arrayOfStrings.map(Number);//convert array to string first and use this code
var y =x.toString().split(',').map(Number)