LeetCode: To Lower Case Solution

1/**
2 * @param {string} s
3 * @return {string}
4 */
5var toLowerCase = function (s) {
6  return s.toLowerCase()
7}
8
9var toLowerCase = function (s) {
10  return s
11    .split("")
12    .map(c =>
13      "A" <= c && c <= "Z" ? String.fromCharCode(c.charCodeAt(0) + 32) : c
14    )
15    .join("")
16}