class Vehicle {
  constructor(type) {
    this.type = type;
  }
  describe() {
    return `I am a ${this.type}`;
  }
}

class Car extends Vehicle {
  constructor(brand) {
    super("car");
    this.brand = brand;
  }
  describe() {
    return `${super.describe()} made by ${this.brand}`;
  }
}

const myCar = new Car("Toyota");

console.log(myCar.describe());
console.log(myCar instanceof Car);
console.log(myCar instanceof Vehicle);
console.log(Object.getPrototypeOf(Car) === Vehicle);