inheritance.js

// inheritance = allows a new  class to  inherit properties and methods 
//               from  an existing class(parent -> child)
//               helps with code reusability.


class Anilmal{
     alive = true

     eat(){
        console.log(`this ${this.name} is eating`);
     }

     sleep(){
        console.log(`this ${this.name} is sleeping`);
     }
}

class Rabbit extends Anilmal{
    name = 'rabbit'
    run(){
        console.log(`the ${this.name} can run`);
    }
}

class Dog extends Anilmal{
    name = "dog"
    run(){
        console.log(`the ${this.name} can run but can't run faster than rabbit`);
    }
}
class Tiger extends Anilmal{
    name = "tiger"
    run(){
        console.log(`the ${this.name} tiger can run very fast`);
    }
}

const rabbit = new Rabbit();
const dog  = new Dog();
const  tiger = new Tiger();


rabbit.alive = false;
console.log(rabbit.alive);
rabbit.eat()
rabbit.sleep()
rabbit.run()

console.log(dog.alive);
dog.eat()
dog.sleep()
dog.run()

console.log(tiger.alive);
tiger.eat()
tiger.sleep()

tiger.run()