Calculate the Hamming Distance between two integers (LeetCode Question)

leetcode-hamming-distance.js

/**
 * @param {number} x
 * @param {number} y
 * @return {number}
 */
const hammingDistance = function(x, y) {
  let distance = 0;
  let xor = x ^ y; // bitwise operation calculates the xor

  while (xor > 0) {
    distance++;
    xor &= xor - 1; // clear flags
  }

  return distance;
};