reverse-a-string-using-recursion-1.js

const recursiveReverseString = (originalString) => {
  let reversedString = '';
  let formReverseString = (word) => {
  	if(word.length > 0) {
      reversedString = formReverseString(word.substr(1)) + word.charAt(0);
      return reversedString;
    }
    return '';
  }
  formReverseString(originalString);
  return reversedString;
}

recursiveReverseString('hello');