❗️Что будет на выходе:

const counter = {
  count: 0,
  increment() {
    this.count++;
    return this.count;
  }
};

const inc = counter.increment;
const boundInc = counter.increment.bind(counter);

console.log([
  counter.increment(),
  inc(),
  boundInc(),
  counter.count
]);

Ответ: [1, NaN, 2, 2]

JavaScript test | #JavaScript & Max