Quiz JavaScript


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quiz:
Poll
  •   A: Lydia и undefined
  •   B: Lydia и ReferenceError
  •   C: ReferenceError и 21
  •   D: undefined и ReferenceError
30 votes


Consolda nima chiqadi?


quiz
Poll
  •   A: Promise {1} Promise {2} Promise {3}
  •   B: Promise {} Promise {} Promise {}
  •   C: 1 2 3
  •   D: undefined undefined undefined
21 votes


Natija nima chiqadi?

⬇️ @QuizJavascript ⬇️


Yuqoridagi savolga sharh:
Object.freeze metodi yordamida biz ob'ektni muzlatishimiz mumkin. Xususiyatlarni qo'shish, o'zgartirish yoki o'chirish mumkin emas.

Biroq, bu metod ob'ektni sayoz ravishda muzlatib qoʻyadi. Ob'ektning faqat bevosita metodlari muzlatiladi. Agar metod boshqa ob'ektda bo'lsa (bizning misolimizdagi address ), bu ob'ektning metodlari muzlatilmaydi va o'zgartirish mumkin.


quiz:
Poll
  •   A : person.name = "Evan Bekon"
  •   B : shaxs.manzilni oʻchirish
  •   C : person.address.street = "Main St 101"
  •   D : person.pet = {ism: "Mara"}
52 votes


Quyidagi amallardan qaysi biri person ob'ektini o'zgartirishi mumkin?

⬇️ @QuizJavascript ⬇️


Forward from: Jsdan Eslatmalar
Quyidagi amallardan qaysi biri person ob'ektini o'zgartirishi mumkin?
Poll
  •   person.name = "Evan Bacon"
  •   person.age = 21
  •   delete person.name
  •   Object.assign(person, { age: 21 })
44 votes


Quyidagi amallardan qaysi biri person ob'ektini o'zgartirishi mumkin?
© Muallif

⬇️ @QuizJavascript ⬇️


Quiz:
Poll
  •   Added a new property!
  •   Accessed a property!
  •   Added a new property! Accessed a property!
  •   Error
85 votes


© Muallif

⬇️ JavaScript quiz test ⬇️


Quiz:
Poll
  •   Promise! Last line! Promise! Last line! Last line! Promise!
  •   Last line! Timeout! Promise! Last line! Timeout! Promise!
  •   Promise! Last line! Last line! Promise! Timeout! Timeout!
  •   Last line! Promise! Promise! Last line! Timeout! Timeout!
44 votes


© Muallif

⬇️ JavaScript quiz test ⬇️


Quiz:
Poll
  •  
  •   1
  •   2
  •   3
53 votes


© Muallif

⬇️ JavaScript quiz test ⬇️


Quiz:
Poll
  •   ['🥑', ['✨', '✨', ['🍕', '🍕']]]
  •   ['🥑', '✨', '✨', ['🍕', '🍕']]
  •   ['🥑', ['✨', '✨', '🍕', '🍕']]
  •   ['🥑', '✨', '✨', '🍕', '🍕']
58 votes


© Muallif

⬇️ JavaScript quiz test ⬇️


Quiz:
Poll
  •   Woah some cool data
  •   Oh finally!
  •   Woah some cool data Oh finally!
  •   Oops didn't work Oh finally!
48 votes


© Muallif

⬇️ JavaScript quiz test ⬇️


Quiz:
Poll
  •   "number"
  •   "string"
  •   undefined
  •   ReferenceError
157 votes

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