code: function reverse (s) {
                      if(s.length < 64) {
                          var str = '';
                          for(var i = s.length; i >= 0; i--) str += s.charAt(i);
                          return str;
                      }
                      else {
                          return s.split('').reverse().join('');
                      }
                  }
docs: Reverses a string.
  @param {String} s The string to operate on.
  @return {String} The reversed string.