Reverse String

function reverseString(str) {
  return str.split('').reverse().join('');
}

console.log(reverseString("master of puppets"));

function reverseStringRecursive(str) {
  if (str === "") {
    return "";
  } else {
    return reverseStringRecursive(str.substr(1)) + str.charAt(0);
  }
}

console.log(reverseStringRecursive("master of puppets"));