const users = [
  { name: "Ali", age: 22 },
  { name: "Sara", age: 16 },
  { name: "Reza", age: 25 }
];

const adults = users.filter(user => user.age >= 18);

console.log(adults);

[
  { name: "Ali", age: 22 },
  { name: "Reza", age: 25 }
]

let arr = [10, 20, 30];
console.log(arr[1]);

fetch("/api/users")

GET

POST

PUT

PATCH

DELETE

200

201

400

401

403

404

500

const numbers = [1, 2, 3, 4, 5];

numbers.slice(1, 3);

[2, 3]  

numbers.splice(1, 2);

<button onClick={handleClick()}>
  Click
</button>

<button onClick={handleClick}>
  Click
</button>

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);