/**
 * Created by vitaliy on 21.09.15.
 * Обьекты
 */

var person = {
    name:"Vitaliy",
    age: 25,
    gender: "male",
    sayHi: function(){
        return "Hello!!";
    }
};

console.log(person.name);
console.log(person['age']);

person.age = 44;
person.id = 1;

console.log(person.id);
console.log(person.sayHi());

var object = Object.create({x:5, y:9});//наследуем x y
console.log(object);

console.log(object.hasOwnProperty("x"));

object.x = 20;
console.log(object);
console.log(object.hasOwnProperty("x"));

//delete

delete  object.x;
console.log(object);
console.log("x" in object);