javascript function constructor vs var function code example

Example: factory function vs constructor javascript

// constructor
function ConstructorCar () {}
ConstructorCar.prototype.drive = function () {
  console.log('Vroom!');
};

const car2 = new ConstructorCar();
console.log(car2.drive());

// factory
const proto = {
  drive () {
    console.log('Vroom!');
  }
};

const factoryCar = () => Object.create(proto);
const car3 = factoryCar();
console.log(car3.drive());

// class
class ClassCar {
  drive () {
    console.log('Vroom!');
  }
}
const car1 = new ClassCar();
console.log(car1.drive());