Check If It Is a Good Array LeetCode solution in JavaScript

1
var isGoodArray = function (nums) {
2
  let gcd = nums[0];
3

4
  for (let n of nums) {
5
    while (n) {
6
      [gcd, n] = [n, gcd % n];
7
    }
8
  }
9

10
  return gcd === 1;
11
};