Count The Repetitions LeetCode solution in JavaScript

1
/**
2
 * @param {string} s1
3
 * @param {number} n1
4
 * @param {string} s2
5
 * @param {number} n2
6
 * @return {number}
7
 */
8
var getMaxRepetitions = function (s1, n1, s2, n2) {
9
  const len1 = s1.length;
10
  const len2 = s2.length;
11
  let count1 = 0; // Number of times s2 can be formed from s1
12
  let count2 = 0; // Number of times str2 = [s2, count2] can be formed from str1 = [s1, count1]
13
  let i = 0; // Pointer for s1
14
  let j = 0; // Pointer for s2
15
  while (count1 < n1) {
16
    if (s1[i] === s2[j]) {
17
      j++;
18
      if (j === len2) {
19
        j = 0;
20
        count2++;
21
      }
22
    }
23
    i++;
24
    if (i === len1) {
25
      i = 0;
26
      count1++;
27
    }
28
  }
29
  return Math.floor(count2 / n2);
30
};