7-bo'lim, 3-dars (86)
Bugungi darsimizda Express'dagi error middlewaredan foydalanishni o'rganamiz.
#dasturlash #nodejs
@virtualdars kanalida
https://www.youtube.com/watch?v=1Pzpuh1OzLc&feature=youtu.be
Bugungi darsimizda Express'dagi error middlewaredan foydalanishni o'rganamiz.
#dasturlash #nodejs
@virtualdars kanalida
https://www.youtube.com/watch?v=1Pzpuh1OzLc&feature=youtu.be
YouTube
Express'dagi error middleware
7-bo'lim, 3-dars (86)
Bugungi darsimizda Express'dagi error middlewaredan foydalanishni o'rganamiz.
#dasturlash #nodejs #virtualdars #expressjs
Bugungi darsimizda Express'dagi error middlewaredan foydalanishni o'rganamiz.
#dasturlash #nodejs #virtualdars #expressjs
7-bo'lim, 4-dars (87)
Ushbu darsimizda xatolarni logga yozishni o'rganamiz.
#dasturlash #nodejs
@virtualdars kanalida
https://www.youtube.com/watch?v=nYAgoa0Uolo&feature=youtu.be
Ushbu darsimizda xatolarni logga yozishni o'rganamiz.
#dasturlash #nodejs
@virtualdars kanalida
https://www.youtube.com/watch?v=nYAgoa0Uolo&feature=youtu.be
YouTube
Xatolarni logga yozish
7-bo'lim, 4-dars (87)Ushbu darsimizda xatolarni logga yozishni o'rganamiz.#dasturlash #nodejs #virtualdars
7-bo'lim, 5-dars (88)
Bugungi darsimizda loglarni MongoDBga yozishni o'rganamiz.
#dasturlash #nodejs #winston #logs
@virtualdars kanalida
https://www.youtube.com/watch?v=x3lJxXd17oc&feature=youtu.be
Bugungi darsimizda loglarni MongoDBga yozishni o'rganamiz.
#dasturlash #nodejs #winston #logs
@virtualdars kanalida
https://www.youtube.com/watch?v=x3lJxXd17oc&feature=youtu.be
YouTube
Loglarni MongoDBga yozish
7-bo'lim, 5-dars (88)Bugungi darsimizda winstonda olingan loglarni MongoDBga yozishni o'rganamiz.#dasturlash #nodejs #virtualdars #winston #log
Bukit Fraser tepaligi haqida lavha
#malayziya #sayohat
@virtualdars kanalida
https://www.youtube.com/watch?v=Yv0A6v2CEfQ&feature=youtu.be
#malayziya #sayohat
@virtualdars kanalida
https://www.youtube.com/watch?v=Yv0A6v2CEfQ&feature=youtu.be
YouTube
Bukit Fraser tepaligi haqida lavha
Ushbu video lavhamiz Malayziyadagi Bukit Fraser (Fraser's Hill) degan tepalik haqida bo'ladi.#sayohat #malaysia #bukit #fraser
7-bo'lim, 6-dars (89)
Bugungi darsimizda node.js dasturlarida ilinmay qolgan xatolarni (uncaught errors) boshqarishni o'rganamiz.
#dasturlash #nodejs
@virtualdars kanalida
https://www.youtube.com/watch?v=sEvR1eIynik&feature=youtu.be
Bugungi darsimizda node.js dasturlarida ilinmay qolgan xatolarni (uncaught errors) boshqarishni o'rganamiz.
#dasturlash #nodejs
@virtualdars kanalida
https://www.youtube.com/watch?v=sEvR1eIynik&feature=youtu.be
YouTube
Ilinmay qolgan xatolar boshqaruvi (89)
7-bo'lim, 6-dars (89)
Bugungi darsimizda node.js dasturlarida ilinmay qolgan xatolarni (uncaught errors) boshqarishni o'rganamiz.
#dasturlash #nodejs #virtualdars #xato #error #exception
Bugungi darsimizda node.js dasturlarida ilinmay qolgan xatolarni (uncaught errors) boshqarishni o'rganamiz.
#dasturlash #nodejs #virtualdars #xato #error #exception
Quyidagi ma'lumot turlaridan qaysilari JavaScriptda bor?
Anonymous Poll
71%
Number
78%
String
12%
Queue
35%
Float
62%
Undefined
33%
DateTime
69%
Object
Quyidgai ko'rinishda yozilgan funktsiyalar nima deb ataladi?
const functionName = ()=>{ ... }
const functionName = ()=>{ ... }
Anonymous Quiz
36%
constructor
9%
destructor
41%
arrow function
8%
random function
5%
iterator
Quyidgai kodning natijasini aniqlang.
let numbers = [3, 12, 47, 5, 28]; while(numbers.length > 0) { numbers.pop(); }
let numbers = [3, 12, 47, 5, 28]; while(numbers.length > 0) { numbers.pop(); }
Anonymous Quiz
44%
numbers qatori bo'shab qoladi
14%
numbers qatori kengayadi
15%
kod ishlamaydi
17%
numbers qatorida bitta element qoladi
10%
bilmadim
Bu operator funktsiyaning natijasini qaytarib berish uchun ishlatiladi.
Anonymous Quiz
3%
const
3%
function
87%
return
3%
get
2%
value
2%
goto
Quyidagi belgilardan qaysi JavaScriptda yangi qatorni ifodalaydi?
Anonymous Quiz
15%
/nl
5%
/t
62%
\n
17%
NewLine
2%
go to
7-bo'lim, 7-dars (90)
Bugungi darsimizda index modulimizdagi kodni tozalaymiz.
#dasturlash #nodejs
@virtualdars kanalida
https://www.youtube.com/watch?v=U3p22B-Mq6w
Bugungi darsimizda index modulimizdagi kodni tozalaymiz.
#dasturlash #nodejs
@virtualdars kanalida
https://www.youtube.com/watch?v=U3p22B-Mq6w
YouTube
Kodimizni tozalaymiz (refactoring) 90
7-bo'lim, 7-dars (90)
Bugungi darsimizda index modulimizdagi kodni tozalaymiz.
#dasturlash #nodejs #virtualdars #code #refactoring #javanoscript
Bugungi darsimizda index modulimizdagi kodni tozalaymiz.
#dasturlash #nodejs #virtualdars #code #refactoring #javanoscript
JavaScript qaysi tashkilotda dunyoga keldi?
Anonymous Quiz
21%
Microsoft
17%
Google
11%
Netflix
18%
Oracle
30%
Netscape
4%
Uber
Boolean turidagi oz'garuvchi qanday qiymatlarga ega bo'la oladi?
Anonymous Quiz
14%
0 va 1
77%
true va false
4%
har qanday songa
2%
yes va no
2%
bilmadim
"Object destructuring"ni ta'riflang.
Anonymous Quiz
33%
obyektni xotiradan o'chirib tashlaydi
24%
obyektni qaytadan yaratib beradi
34%
obyekt yoki qatordan biron qiymatni ajratib olish imkonini beradi
6%
ikkita obyektni birlashtirib beradi
3%
bilmadim
Callback funktsiya nima?
Anonymous Quiz
13%
chiziqli funktsiyaning boshqacha nomi
36%
keyinroq chaqirib yuboriladigan funktsiya
48%
biron xodisa ro'y berganda ishga tushuvchi funktsiya
3%
bilmadim
Promise'da xato ro'y berganida u qanday xolatda bo'ladi?
Anonymous Quiz
14%
pending
13%
false
37%
error
28%
rejected
7%
fufilled
Quyidagilardan qaysi biri JavaScript'da obyektni yozishda ishlatiladi?
Anonymous Quiz
18%
To'rtburchak qavslar [ ]
13%
object operatori
6%
function kalit so'zi
62%
Jingalak qavslar { }
2%
bilmayman
JavaScript'da obyektlarni ham qiymati ham turi bir hilligini tekshirishda qaysi solishtiruv operatori ishlatiladi?
Anonymous Quiz
17%
==
5%
!=
7%
!==
60%
===
8%
equals
3%
bilmayman
Quyidagi operatorlardan qaysi biri obyektda berilgan xossa mavjudligini tekshirish uchun ishlatiladi (JavaScript)?
Anonymous Quiz
29%
in
24%
forEach
33%
exists
8%
where
6%
bilmayman