liskov-1.js

class Car {
    constructor() {
      this.distance = 0;
    }

    move() {
        this.distance += 1;
        console.log(`current distance is: ${this.distance}`);
    }
}

class Toyota extends Car {
  constructor() {
    super();
  }

  move() {
    super.move();
  }
}

class Ferrari extends Car {
  constructor() {
    super();
  }

  moveVeryQuickly() {
      this.distance += 5;
      console.log(`current distance is: ${this.distance}`);
  }
}


const cars = [
    new Car(),
    new Toyota(),
    new Ferrari(),
]

cars.forEach(car => {
    car.move();
});
// current distance is: 1
// current distance is: 1
// current distance is: 1