algorithms/7-reverse-integer.js

/**
 * Problem: https://leetcode.com/problems/reverse-integer/
 * Difficulty: Easy
 * @param {number} x
 * @return {number}
 */
const reverse = (x) => {
  if (x < 0) return -1 * reverse(-x);
  const solution = (x + "").split('').reverse().join('');
  return (solution > 2 ** 31 - 1) ? 0 : solution;
};