kunkaviaFB.ask

let facebookProfile = {
    name: 'Nikolai Matev',
    friends: 300,
    messages: ['I`m drunk', 'Hate Vodka', 'Love Beer'],

    postMessage(message) {
        facebookProfile.messages.push(message);
    },
    deleteMessage(index) {
        facebookProfile.messages.splice(index, 1);
    },
    addFriend() {
        facebookProfile.friends += 1;
    },
    removeFriend() {
        facebookProfile.friends -= 1;
    },
    showMessages(){
        return facebookProfile.messages;
    },
    //add method returning 'friends' property
    countFriends(){
        return facebookProfile.friends;
    }
};

facebookProfile.postMessage('Hello')

facebookProfile.addFriend();//301
facebookProfile.addFriend();//302
facebookProfile.addFriend();//303
facebookProfile.addFriend();//304

console.log(facebookProfile.countFriends())//304

console.log(facebookProfile.showMessages())
facebookProfile.deleteMessage(2);

console.log(facebookProfile.friends);//304

console.log(facebookProfile.showMessages())

facebookProfile.removeFriend();//303
console.log(facebookProfile.friends);//303