Let yosh = prompt("Yoshingizni kiriting:")

1.Foydalanuvchidan yoshni so’raydigan dasturni tuzing. Yosh 50 dan yuqori bo’lsa, dastur “Siz kattasiz” deb chiqarib berishi kerak. Yosh 50 dan past bo’lsa “Siz yoshsiz” deb chiqarib berishi kerak.

let yosh = prompt("Yoshingizni kiriting:");

if (yosh > 50)

{
console.log(" Siz kattasiz");
}
else
{
console.log("Siz yoshsiz");
}
Somsani narxini so’raydigan dastur. Narx 35000 dan yuqori bo’lsa - dastur “qimmat” deb chiqarib bersin. 35000 dan arzon bo’lsa - “arzon” deb chiqarib bersin.
let somsa = prompt("Somsa narxini kiriting:");

if (somsa > 3500)

{
console.log(" qimmat");
}
else
{
console.log("arzon");
}
2.Foydalanuvchi yoshini kiritish kerak. Yoshi 0 dan 30 gacha bo’lsa, unga “yoshsiz” deb yozing. Yoshi 30 dan 60 gacha bo’lsa, unga “kattasiz” deb yozing. Yoshi 60 dan yuqori bo’lsa, unga siz qarisiz deb yozing.
let yosh=prompt("yoshni kiriting: ")
if(0{
console.log("Yoshsiz")
}
else if(30{
console.log("Kattasiz")
}
else
{
console.log("Qarisiz")
}
3.Foydalanuvchidan ismini so’rang. Ismi “Ali” bo’lsa, unga “Salom og’a” deb yozing. Ismi “Ahmad” bo’lsa, unga “Ko’rinmayapsan do’stim, nima qilyapsan?” deb yozing.
let ism=prompt("Ismingizni kiriting: ")
if(ism=='Ali')
{
console.log("Salom og'a")
}
else if(ism=='Ahmad')
{
console.log("Ko'rinmayapsan og'a nima qilayapsan")
}
4.Foydalanuvchidan oyligini so’rang. Va soliq bilan yoki soliqsiz hisoblash kerakligini so’rang. So’ng yillik YIG’ADIGAN pulini hisoblab bering (soliq bilan yoki soliqsiz). Foydalanuvchi topgan pulidan 90% sarflaydi - shuni inobatga oling.

let oylik = prompt("Oyligingizni kiriting : ")

let foiz = prompt("Soliq bilan yoki soliqsiz : ")
if(foiz == "soliq"){
oylik = oylik * 0.1
}
let yillik = (oylik - oylik * 0.9) * 12;

console.log("Yillik yig'ilgan summa : ",yillik)

5.Olmazor, Avtovokzal va Stadion orqali yuradigan avtobuslarni chiqaradigan dasturni tuzing. Foydalanuvchi Olmazorni tanlasa 33 deb chiqaring. Avtovokzal – 1, 16. Stadion orqali - 212, 246, 10, 23

Bajarilishi:

let avtobus=prompt("Avtobusni kiriting: ")

let avtobuslar = ['Olmazor','Avtovokzal','Stadion']
if (avtobuslar.includes(avtobus)=='Olmazor')
{
console.log(" 33");
}
else if(avtobuslar.includes(avtobus)=='Avtovokzal')
{
console.log("1, 16");
}
else
{
console.log("212, 246, 10, 23")
}
6.Narxlar: Somsa: 30000, Palov: 25000 Sarimsoq kg: 20000 Foydalanuvchi unda bor pulini kiritsin. Va molni tanlasin. Puli yetsa - “sotib oldingiz” deb chiqaring. Puli yetmasa - “uzr, pul yetmadi” deb yozing.

let Somsa = 30000

let Palov = 25000
let Sarimsoq = 20000

let pul = prompt("Pulingizni kiriting : ")

let maxsult = prompt("Maxsultni tanlang: [Somsa, Palov,Sarimsoq] : ")

if(maxsult == "Somsa" && Somsa <= pul){

console.log("Sotib oldingiz")
}
else if(maxsult == "Palov" && Palov <= pul){
console.log("Sotib oldingiz")
}
else if(maxsult == "Sarimsoq" && Sarimsoq <= pul){
console.log("Sotib oldingiz")
}
else {
console.log("uzr, pul yetmadi")
}
7. Internet do’kon tuzing. 10 ta mahsolot bo’lsin (10 ta checkbox). Har bittasini sotib olsa bo’ladi. Va qariyalarga (70<) 10% chegirma beriladi. Hamda kamida 5 ta mahsulot sotib olgan odamga 15% chegirma beriladi.

Let maxsulotlar = ["Telfon","Kompyuter","Tv","Koylak","Shim","Tufli","Paypoq","Daftar","Qalam","Moshin"]

console.log(maxsulotlar)

let harid = prompt("Hurmatli mijoz nima sotib olmoqchisiz : ")
let yosh = prompt("Yoshingizni kiriting : ")

if(yosh > 70){

console.log("Sizga 10% chegirma berildi")
}
else {
let n = prompt("Bu nechinchi haridingiz : ")
if(n >= 5){
console.log("Sizga 15% chegirma berildi")
}
else {
console.log("Haridingizdan minnatdormiz!!")
}
}

8.Ismlar arrayi ichidan promptdan so’ralayotgan ism bo’lsa ha bunday ism bor, agar bo’lmasa afsus bubday ism yo’q degan yozuv chiqarilishi kerak

const ism= prompt('Ismni kiriting:')
const ismlar=['Asadbek', 'Sanjar', "Ulug`bek"]
if(ismlar.includes(ism))
{
console.log(`Ha ${ism} bor`)
}
else
{
console.log(`Afsus ${ism} yo'q`)
}