function Car(make) {
this.make = make;
}
function Truck(make) {
this.make = make;
}
const car = new Car('Toyota');
const truck = new Truck('Toyota');
var newCar = car;
console.log(car.__proto__ === truck.__proto__);
console.log(car.constructor === truck.constructor);
console.log(car instanceof Truck);
console.log(truck instanceof Car);
console.log(Truck.prototype.isPrototypeOf(car));
console.log(Car.prototype.isPrototypeOf(truck));
console.log(truck === car);
console.log(newCar === car);Ответ: false
false
false
false
false
false
false
true
JavaScript test | #JavaScript