lesson_1.js
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/**
* 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);