[Reverse vowels] Leetcode challenge - Reverse vowels #leetcode #javascript #codinginterview

reverse-vowels.js

var reverseVowels = function (s) {
  const arr = s.split("");
  
  let left = 0, right = arr.length;
  
  const vowels = ['A', 'E', 'I', 'O', 'U', 'a', 'e', 'i', 'o', 'u'];
  
  while (left < right) {
    if (vowels.indexOf(arr[left]) === -1) {
      left++;
      continue;
    }
    if (vowels.indexOf(arr[right]) === -1) {
      right--;
      continue;
    }
    
    const temp = arr[left];
    arr[left] = arr[right];
    arr[right] = temp;
    
    left++;
    right--;
  }
  
  return arr.join("");
};