reverse-string
Write a function that reverses a string. The input string is given as an array of characters s.
You must do this by modifying the input array in-place with O(1) extra memory.
Example 1
Input: s = ["h","e","l","l","o"]
Output: ["o","l","l","e","h"]
Example 2
Input: s = ["H","a","n","n","a","h"]
Output: ["h","a","n","n","a","H"]
Solution
reverse-string
/**
* @param {character[]} s
* @return {void} Do not return anything, modify s in-place instead.
*/
var reverseString = function (s) {
s.reverse().join();
};
reverseString(["h", "e", "l", "l", "o"]);