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Leetcode - 344. Reverse String

· One min read

https://leetcode.com/problems/reverse-string/

Solution 1​

/**
 * @param {character[]} s
 * @return {void} Do not return anything, modify s in-place instead.
 */
var reverseString = function (s) {
  if (s.length === 1) {
    return s;
  }

  const middle = Math.floor(s.length / 2);

  for (let i = 0; i < middle; i++) {
    const a = s[i];
    const b = s[s.length - i - 1];
    s[i] = b;
    s[s.length - i - 1] = a;
  }

  return s;
};