Untitled

INDEX.HTML

<!DOCTYPE html>
<html>
    <head>
        <!-- <script src="js/functions.js"></script> -->
        <script src="js/objects.js"></script>
    </head>
    <body></body>
</html>

FUNCTIONS.JS

function doSomething() {
    var value = null;
    for(var i = 0; i < 3; i++) {
        value = function() {
            console.log(i);
        }
    }
    return value;
}

var result = doSomething();
result();

function doSomething1() {
    var value = null;
    for(let i = 0; i< 3; i ++) {
        value = function() {
            console.log(i);
        }
    }
    return value;
}

var result1 = doSomething1();
result1();

console.log(result1.prototype);
console.log(result.prototype);

function sum(a, b) {
    return a + b;
}

function sum1a(a, b=0) {
    return a + b;
}

function sum1b(a=0, b=0) {
    return a + b;
}

function sum2(a, b) {
    if(typeof a == 'undefined') a = 0;
    if(typeof b == 'undefined') b = 0;
    return a + b;
}

function sum3(a, b) {
    return (a || 0) + (b || 0);
}

console.log('Suma cu doi parametri', sum(5,4));
console.log('Suma cu un parametru', sum1a(4));
console.log('Suma cu zero parametri', sum1b());
console.log('Suma2', sum2());
console.log('Suma3', sum3());

OBJECTS.JS

var person = {
    name: 'Gigel',
    surname: 'Popel'
}; //object literals
//var person1 =  new Object;
console.log(person);
//console.log(person1);

var student = Object.create(person);
console.log(student);
student.grupa = 1085;
console.log(student.name);

var employee = Object.create(student);
employee.salary = 5000;
console.log(employee['salary']);
console.log(employee);