const user = {
  name: "Ali",
  age: 22
};

const name = user.name;

const { name } = user;

const { name, age } = user;

const { name: username } = user;

console.log(username);

user?.profile?.name

const name = user.name ?? "Guest";

const { name, age } = user;

const newUser = { ...user, age: 25 };

function greet(name = "Guest") {}

let numbers = [1, 2, 3];
numbers.push(4);

console.log(numbers.length);

Act as a Senior Front-End interviewer.

Conduct a realistic interview.
Ask only one question at a time.

Questions should cover JavaScript, React, CSS, Browser, and Performance.

Do not reveal the correct answer until I respond.

After each answer:

* Give me a score from 0 to 10.
* Point out my mistakes.
* Ask a harder related question.

At the end, tell me how ready I am for a Junior / Mid / Senior position.

h1 {
  font-size: clamp(2rem, 5vw, 4rem);
}

img {
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

h2 {
  text-wrap: balance;
}

const user = {
  name: "Sara",
  age: 20
};

console.log(user.name);