Sonlar, Math va sana

const son = 3.7;

console.log("round  :", Math.round(son));
console.log("floor  :", Math.floor(son));
console.log("ceil   :", Math.ceil(son));
console.log("trunc  :", Math.trunc(son));

console.log("Manfiy sonlar bilan:");
console.log("  floor(-3.7):", Math.floor(-3.7));
console.log("  ceil(-3.7) :", Math.ceil(-3.7));
console.log("  trunc(-3.7):", Math.trunc(-3.7));
console.log("  round(-3.5):", Math.round(-3.5));

const narx = 1234567.891;

console.log("toFixed(2)  :", narx.toFixed(2));
console.log("toFixed(0)  :", narx.toFixed(0));
console.log("Turi        :", typeof narx.toFixed(2));
console.log("toPrecision :", narx.toPrecision(4));

// Uch xonadan ajratish
console.log("Mahalliy    :", narx.toLocaleString("uz-UZ"));
console.log("Valyuta     :", (25000).toLocaleString("uz-UZ", {
    style: "currency",
    currency: "UZS",
    maximumFractionDigits: 0
}));

// Foiz
console.log("Foiz        :", (0.256).toLocaleString("uz-UZ", {
    style: "percent",
    maximumFractionDigits: 1
}));

console.log("abs    :", Math.abs(-7));
console.log("pow    :", Math.pow(2, 10), "yoki", 2 ** 10);
console.log("sqrt   :", Math.sqrt(144));
console.log("cbrt   :", Math.cbrt(27));
console.log("min    :", Math.min(3, 1, 4, 1, 5));
console.log("max    :", Math.max(3, 1, 4, 1, 5));
console.log("hypot  :", Math.hypot(3, 4));
console.log("sign   :", Math.sign(-5), Math.sign(0), Math.sign(5));

// Massivdan min/max
const sonlar = [23, 5, 89, 12];
console.log("Massivdan max:", Math.max(...sonlar));
console.log("Bo'sh massiv :", Math.max());

// Math.random() -> 0 dan 1 gacha (1 kirmaydi)
const t = Math.random();
console.log("0 va 1 orasidami?:", t >= 0 && t < 1);

// Berilgan oraliqda butun son
function tasodifiy(min, maks) {
    return Math.floor(Math.random() * (maks - min + 1)) + min;
}

const natijalar = [];
for (let i = 0; i < 1000; i++) {
    natijalar.push(tasodifiy(1, 6));
}

console.log("Eng kichik:", Math.min(...natijalar));
console.log("Eng katta :", Math.max(...natijalar));
console.log("Hammasi 1-6 oralig'idami?:",
    natijalar.every((n) => n >= 1 && n <= 6));

// Massivdan tasodifiy element
const ranglar = ["qizil", "yashil", "ko'k"];
const tanlangan = ranglar[Math.floor(Math.random() * ranglar.length)];
console.log("Tanlangan rang mavjudmi?:", ranglar.includes(tanlangan));

// Aniq sana - oy 0 dan boshlanadi!
const sana = new Date(2026, 8, 9, 14, 30, 0);

console.log("Yil     :", sana.getFullYear());
console.log("Oy      :", sana.getMonth(), "(0 = yanvar)");
console.log("Kun     :", sana.getDate());
console.log("Hafta kuni:", sana.getDay(), "(0 = yakshanba)");
console.log("Soat    :", sana.getHours());
console.log("Daqiqa  :", sana.getMinutes());

// ISO satridan
const iso = new Date("2026-09-09T14:30:00Z");
console.log("ISO dan :", iso.toISOString());

const boshlanish = new Date(2026, 0, 1);
const tugash = new Date(2026, 8, 9);

// Farqni kunlarda hisoblash
const farqMs = tugash - boshlanish;
const kunlar = Math.round(farqMs / (1000 * 60 * 60 * 24));
console.log("Kunlar farqi:", kunlar);

// Sanaga kun qo'shish - nusxa olib
const keyin = new Date(boshlanish);
keyin.setDate(keyin.getDate() + 45);
console.log("45 kundan keyin:", keyin.getDate(), "-oy:", keyin.getMonth() + 1);
console.log("Asl sana o'zgardimi?:", boshlanish.getDate() === 1);

// Oy oxirini topish
const oyOxiri = new Date(2026, 2, 0);      // 0 = oldingi oyning oxirgi kuni
console.log("Fevral oxiri:", oyOxiri.getDate(), "kun");

const sana = new Date(2026, 8, 9, 14, 30);

console.log("toISOString  :", sana.toISOString().slice(0, 10));
console.log("Uzbek to'liq :", sana.toLocaleDateString("uz-UZ", {
    year: "numeric", month: "long", day: "numeric"
}));
console.log("Hafta kuni   :", sana.toLocaleDateString("uz-UZ", { weekday: "long" }));
console.log("Qisqa        :", sana.toLocaleDateString("uz-UZ"));
console.log("Vaqt         :", sana.toLocaleTimeString("uz-UZ", {
    hour: "2-digit", minute: "2-digit"
}));

// Nisbiy vaqt
const nisbiy = new Intl.RelativeTimeFormat("uz", { numeric: "auto" });
console.log("Nisbiy       :", nisbiy.format(-3, "day"));
console.log("Kelasi       :", nisbiy.format(2, "week"));

const boshi = Date.now();

let yigindi = 0;
for (let i = 0; i < 1000000; i++) {
    yigindi += i;
}

const davomiylik = Date.now() - boshi;

console.log("Yig'indi:", yigindi);
console.log("Vaqt 5 soniyadan kammi?:", davomiylik < 5000);
console.log("Date.now() turi:", typeof Date.now());