code: function isInt () {
                      return libs.object.every(arguments, function (n) {
                          return typeof n === 'number' && n % 1 === 0 && n.toString().indexOf('.') === -1;
                      });
                  }
docs: Determines is the given numbers are integers
  @param {...Number} n Numbers.
  @return {Boolean} True if all arguments are integers, false otherwise.