Let elon qilish foo va bar

Javascript dasturlash tillidan

hisobot

let foo=prompt("ismingizni kiriting")
let bar=foo.toUpperCase()
alert(bar);
bu kodlar barcha harflarni katalashtirib beradi bunda let elon qilish foo va bar esa nomlari to.UpperCase() barcha harflarni kattalashtirib beradi

1-2-rasmda esa natijasi

1-rasim

Keying natija

2-rasim


let foo=prompt("ismingizni kiriting")

let bar=foo.toUpperCase

console.log(name)

bu kodlarham birxil amallarni bajaradi

farqlari esa alert(bar); va console.log(name) da alert(bar); bu malumotni ekranga habar korinishida chiqarib beradi.

matnda nechta xarf borligini aniqlash

let foo=prompt("ismingizni kiriting")

let bar=name.length;

alert(bar)



qirqib olish

let name="bobur"

let bar=name.slice(0,3)

alert(bar)

bu kodlar qo`llanganda let bar=name.slice(0,3) so`zlardan 0 yani 1-harf va 3-harfgacha bolgan harflarni korsatib beradi (0 va 3 ixtioriy son bo`lishi mumkin )

Buyerda 0=birinchi harfdan 3= 3-harflar orasidagi barcha harflar olinadi

bosh harf bilan yozish

let name=prompt("ismingizni kiriting")

let foo=name.slice(0,1)

let bar=foo.toUpperCase()

let bar1=name.slice(1,name.length)

let bar2=bar1.toLowerCase()

console.log(bar+bar2)

bu ko`dlarda biror isim familyani kiritganda avtomatik 1-harfni katta harfga o`tkazadi

amalni bajarilishi:

let foo=name.slice(0,1) 1-harfni qirqib oladi

let bar=foo.toUpperCase() 1-harfni kata harfga o`tkazadi

O`zgaruvchilar et bar1=name.slice(1,name.length)

let bar2=bar1.toLowerCase()

console.log yoki console.log(bar+bar2) bar1

alert ishlatilishi va bar2 ni birbiriga bog`lash

mumkin alert(bar+bar2)

natija: