RIA 2 zajecia

// zad1.1
var car = {
    brand: "Fiat",
    price: 10000,
    power: 275,
    increasePower(morePower){
        this.power += morePower;
    },
}


//zad1.2
console.log(car);

//zad1.3
car.increasePower(50);

//zad1.4
console.log(car);

//zad1.5
function Samochod(brand, price, power) {
    this.brand = brand;
    this.price = price;
    this.power = power;

}

Samochod.prototype.increasePower = function(morePower) {
    this.power += morePower;
}

//zad1.6
var cars = [
new Samochod ('BMW', 15000, 450),
new Samochod ('Daewoo', 200, 50),
new Samochod ('Infiniti', 45000, 500)
];

//zad1.7
for (let i in cars) {
console.log(cars[i]);
}

//zad1.8
cars[0].increasePower(100);

//zad1.9
for (let i in cars) {
console.log(cars[i]);
}

//zad1.10
console.log(cars[0].toString());
console.log(cars[0].valueOf());

//zad1.11
Samochod.prototype.toString = function () {
    return this.valueOf();
}
//zad1.12
console.log(cars[0].toString());

//zad2.1
console.log(JSON.stringify(car));

//zad2.2
var objectdata = JSON.stringify(cars[0]);
var parse1 = JSON.parse(objectdata);
 console.log(parse1);
 console.log(parse1.toString());
 console.log(parse1.valueOf());
parse1.increasePower(20); //funkcja increasePower nie dziala
console.log(parse1);