JavaScript convertit un tableau de chaînes en numéros
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);
});// CONVERT ARRAY STRING TO ARRAY NUMBER
const arrStr = ["1", "3", "5", "9"];
const nuevo = arrStr.map((i) => Number(i));
console.log(nuevo);
// [1,3,5,9];