LeetCode: Sum of Digits of String After Convert Solution

Implementation

1var getLucky = function (s, k) {
2  let transform = s
3    .split("")
4    .map(char => char.charCodeAt(0) - "a".charCodeAt(0) + 1)
5    .join("")
6
7  while (k--) {
8    transform = transform
9      .split("")
10      .map(Number)
11      .reduce((acc, el) => acc + el, 0)
12      .toString()
13  }
14
15  return transform
16}

References

Original problem

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