Bug in "Math with true and false"

[sollyucko]

How does the code given in "Math with true and false" work? For me, in Chrome, I get Uncaught TypeError: true is not a function at <anonymous>:2:7. Was there a typo or am I confused?

true +
  true(
    // -> 2
    true + true
  ) *
    (true + true) -
  true; // -> 3

Same thing in "Patching numbers":

Number.prototype.isOne = function() {
  return Number(this) === 1;
};

(1.0).isOne(); // -> true
(1).isOne(); // -> true
(2.0)
  .isOne()(
    // -> false
    7
  )
  .isOne(); // -> false

[Mego]

Looks like bad formatting. It should be:

true + true; // -> 2
(true + true) * (true + true) - true; // -> 3

Number.prototype.isOne = function() {
  return Number(this) === 1;
};

(1.0).isOne(); // -> true
(1).isOne(); // -> true
(2.0).isOne(); // -> false
(7).isOne(); // -> false

[denysdovhan]

This is bad formatting because of Prettier.