Code.xyz Function: Silly API Example

__main__.js

class A {
  constructor () {
    this.value = 0;
  }
  valueOf () {
    return ++this.value;
  }
  toString () {
    return this.valueOf();
  }
}

/**
* Proves that `(a == 1 && a == 2 && a == 3) == true` can work in JavaScript
*/
module.exports = async () => {
  let a = new A();
  return [a == 1, a == 2, a == 3];
};