Reverse a string with recursion

gistfile1.txt

// string reverse using recursion

var str = 'abcdefg';

function reverse(original, reversed) {
  if (!reversed) {
    return reverse(original, [original.charAt(original.length - 1)]);
  } else {
    var len = reversed.length;
    reversed.push(original.charAt(original.length - len - 1));
    if (len < original.length - 1) { 
      return reverse(original, reversed);
    } else {
      return reversed.join('');
    }
  }
}

var reversed = reverse(str);
console.log(reversed);