za kiki

//Lab03 zadaca 2
function Singleton() {
    if (Singleton.instance) {
        return Singleton.instance;
    }
    Singleton.instance = this;
    this.dateCreated = Date.now();
}

console.log('Testing Singleton!');
console.log('Creating i1');
let i1 = new Singleton();
console.log('i1 was created at time[Number ' + i1.dateCreated + ']');
console.log('Creating i2');
let i2 = new Singleton();
console.log('i2 was created at time[Number ' + i2.dateCreated + ']');
console.log('Checking if i1 and i2 are the same variable: ', i1 === i2);
console.log('Creating i3 in different execution context at time: ', Date.now());

function newContext() {
    let i3 = new Singleton();
    console.log('i3 was created at time[Number ' + i3.dateCreated + ']');

    return i3;
}

newContext()
console.log('Checking if i1 and i3 are the same variable: ', i1 === newContext());
console.log('Checking if i2 and i3 are the same variable: ', i2 === newContext());
console.log('Checking if i1 and i2 are the same variable: ', i1 === i2);

//Lab03 zadaca 3


Array.prototype.fillDefault = function(param){
    for(let i = 0; i<this.length; i++){
        if(this[i] == undefined){
            this[i]=param

        }
    }
    return this
}

let x = [1,2,3]
x[10] = 100
x[8] = 8
console.log(x.toString())
x.fillDefault(0)
console.log(x.toString())
//Deep clone
function deepCopy(obj) {
    if(obj == null || typeof(obj) !== 'object'){
        return obj;
    }

    var deep = Object.create(obj.constructor.prototype); // or just: var deep = {};

    for(var key in obj){
        deep[key] = deepCopy(obj[key]);
    }
    return deep;
}

const original = {
    name: 'Fiesta',
    car: {
      color: 'blue'
    },
    sinka(){
        return "DONPLEJA SINE"
    }

  }

 var copied = deepCopy(original)
 original.name = "smeneto ime bratu..."
 original.car.color = "red"
 original.sinka = function smeneta(){
     return "BABA TIII"
 }
 console.log(original)
 console.log(copied)

//Ispit 2018 prva zadacata
function call_up_to(funkcija,x) {
    debugger
    let rez
    let counter=0
    let finalRez
    return function(){
        if(funkcija){
            rez = funkcija.apply(this)
            counter++
            finalRez = rez
        }
        if(counter>=x){
           return funkcija = rez
        }
        return rez

    }
}
let dame = call_up_to(function(){
    debugger
    console.log(Math.random(1,3))
},3)

dame()
dame()
dame()
dame()
dame()