function getAge(...args) {
  console.log(typeof args);
}

getAge(21);

function getAge() {
  'use strict';
  age = 21;
  console.log(age);
}

getAge();

const sum = eval('10*10+5');

var num = 8;
var num = 10;

console.log(num);

const obj = { 1: 'a', 2: 'b', 3: 'c' };
const set = new Set([1, 2, 3, 4, 5]);

obj.hasOwnProperty('1');
obj.hasOwnProperty(1);
set.has('1');
set.has(1);

const obj = {
  a: "one",
  b: "two",
  a: "three",
};

console.log(obj);

for (let i = 1; i < 5; i++) {
  if (i === 3) continue;
  console.log(i);
}

String.prototype.giveAdamPizza = () => {
  return "Just give Adam pizza already!";
};

const name = "Adam";

console.log(name.giveAdamPizza());

const foo = () => console.log('First');

const bar = () => setTimeout(() => console.log('Second'));

const baz = () => console.log('Third');

bar();
foo();
baz();

<div onclick="console.log('div')">
  <p onclick="console.log('p')">
    Click here!
  </p>
</div>

function sayHi() {
  return (() => 0)();
}

console.log(typeof sayHi());

const numbers = [1, 2, 3];
numbers[10] = 11;
console.log(numbers);

console.log(!!null);
console.log(!!"");
console.log(!!1);

console.log([..."Adam"]);

const person = {
  name: 'adam',
  age: 21,
};

for (const item in person) {
  console.log(item);
}

console.log(3 + 4 + '5');

[1, 2, 3].map(num => {
  if (typeof num === 'number') return;
  return num * 2;
});

function Car() {
  this.make = 'Lamborghini';
  return { make: 'Maserati' };
}

const myCar = new Car();
console.log(myCar.make);

const set = new Set([1, 1, 2, 3, 4]);

console.log(set);