Leetcode - 389. Find the Difference

https://leetcode.com/problems/find-the-difference/

Solution 1

/**
 * @param {string} s
 * @param {string} t
 * @return {character}
 */
var findTheDifference = function (s, t) {
  if (s.length === 0) {
    return t;
  }

  const orderedS = s.split('').sort();
  const orderedT = t.split('').sort();

  for (let i = 0; i < t.length; i++) {
    if (orderedS[i] !== orderedT[i]) {
      return orderedT[i];
    }
  }
};