[LeetCode/JavaScript] 344. Reverse String (easy)

 

문제 

Write a function that reverses a string. The input string is given as an array of characters s.

 

 

입출력

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"]

 

 

제약

Constraints:

• 1 <= s.length <= 10^5
• s[i] is a printable ascii character.

 

 

코드

/**
 * @param {character[]} s
 * @return {void} Do not return anything, modify s in-place instead.
 */
var reverseString = function(s) {
    for(let i=s.length-2; i>=0; i--) {
        let temp = s.splice(i, 1);
        s.push(...temp);
    }
};