Zadania JS obiekty

//Zadanie1

const prod1={
  name: "Szynka",
  price: 30,
  weight: 1,
}
const prod2={
  name: "Ziemniaki",
  price: 20,
  weight: 2,
}

document.write("Produkt numer jeden to: "+prod1.name+"<br>");
document.write("Produkt numer dwa to: "+prod2.name+"<br>");
document.write("Kosztują razem:"+(prod1.price+prod2.price)+"zł <br>");
document.write("Produkt numer jeden to: "+(prod1.weight+prod2.weight)+"kg<br>");
//Zadanie2

const currentUser={
  name: "Michał",
  surname: "Walczak",
  email: "[email protected]",
  www: "localhost.com",
  userType: "HeadAdmin",
   show: function(){
      document.write("Imię: "+currentUser.name+ "<br> Nazwisko: "+currentUser.surname+"<br> adres e-mail: "+currentUser.email+"<br> Adres strony WWW: "+currentUser.www+"<br> Typ Użytkownika: "+currentUser.userType+"<br>");
}
}

currentUser.show();

//Zadanie3
const book={
  name: "Silmarilion",
  author: "J.R.R Tolkien",
  pageCount: 482,
  publisher: "Allen & Unwin",
  showDetails: function(){
  for(const key in book){
  document.write(book[key]+"<br>");
  }
  }
  }

book.showDetails();