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Get the Middle Character

You are going to be given a word. Your job is to return the middle character of the word. If the word's length is odd, return the middle character. If the word's length is even, return the middle 2 characters.


My code:


                        function getMiddle(s) {
                            const length = s.length;
                            if (length % 2 === 0) {
                              return s[(length / 2) - 1] + s[length / 2];
                            } else {
                              return s[Math.floor(length / 2)];
                            }
                          }

And that's the best solution among all users:


                        function getMiddle(s)
{
  return s.substr(Math.ceil(s.length / 2 - 1), s.length % 2 === 0 ? 2 : 1);
}

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