var povikana = 0;
var counter = 0;
var vrednost;

var test = function test() {
    povikana++;
    return "TEST" + povikana;
};

var funkcija = (function call_up_to(test, number) {
    counter++;

    if (counter <= number) {
        vrednost = test();
    }

    if (counter > number) {
        return vrednost;
    } else {
        return {
            test: function () {
                return "TEST";
            }
        };
    }
});


obj = {
    name:"ime",
    obj2: {
        name: "ASASAS",
        obj3: {
            prezime: "SASAS"
        }
    }
}

var clone = JSON.parse(JSON.stringify(obj));
clone.obj2.name = "TEST";

rek = function (obj) {
    var deepCopy={};

    for (let objKey in obj) {
        let temp;
        if (typeof obj[objKey] === "object") {
            temp = rek(obj[objKey])
        } else {
            temp = obj[objKey];
        }
        deepCopy[objKey] = temp;
    }

    return deepCopy;
}

rek(obj)