2️⃣ Dars 13 – Ma’lumot turlari (Data Types)

let ism = "Islombek";

let yosh = 18;
let narx = 12.5;

let to‘g‘ri = true;
let noto‘g‘ri = false;

let x;
console.log(x); // undefined

let qiymat = null;

let kattaSon = 1234567890123456789012345678901234567890n;

let talaba = {
  ism: "Ali",
  yosh: 20
};

let ranglar = ["qizil", "yashil", "ko‘k"];

function salomBer() {
  console.log("Salom!");
}

let yosh = 18;
console.log(typeof yosh); // number

2️⃣ Dars 14 – Operatorlar (Amallar)

let a = 10;
let b = 3;

console.log(a + b); // 13
console.log(a - b); // 7
console.log(a * b); // 30
console.log(a / b); // 3.333...
console.log(a % b); // 1

let x = 5;
x += 2; // x = x + 2
console.log(x); // 7

console.log(5 == "5");   // true
console.log(5 === "5");  // false
console.log(5 != 3);     // true
console.log(5 > 3);      // true
console.log(5 <= 5);     // true

let yosh = 20;
console.log(yosh > 18 && yosh < 25); // true

&& – va
|| – yoki
! – inkor (not)

let yosh = 16;

if (yosh >= 18) {
  console.log("Siz katta yoshdasiz");
} else {
  console.log("Siz hali voyaga yetmagansiz");
}