CodeKata. 배열 앞뒤 뒤집기

• 방법 1

const reverseString = s => {
  return s.reverse();
};

• 방법 2

s=["h","e","l","l","o"]

const reverseString = s => {
  const reverseArr =[];
  for(i=s.length-1 ; i>=0 ; i--){
    reverseArr.push(s[i]);
  }
  return reverseArr
};

reverseString (s)