Для циноспособности петли
let someArray = [1, "string", false];
for (let entry of someArray) {
console.log(entry); // 1, "string", false
}
var numbers = [1, 2, 3];
for (var _i = 0; _i < numbers.length; _i++) {
var num = numbers[_i];
console.log(num);
}
Innocent Ibis