Front End Final Assessment

Front End Final Assessment

Professional Development

25 Qs

quiz-placeholder

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Front End Final Assessment

Front End Final Assessment

Assessment

Quiz

Professional Development

Professional Development

Hard

Created by

KVCH CORPORATE

Used 2+ times

FREE Resource

25 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which keyword is used in JavaScript to create a subclass that inherits properties and methods from a parent class?

inherit

extends

subclass

implements

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the difference between Promise.all() and Promise.race() in JavaScript?

Promise.all() returns the first resolved Promise, while Promise.race() returns an array of resolved Promises.

Promise.all() returns an array of resolved Promises, while Promise.race() returns the first resolved Promise.


Promise.all() waits for all Promises to reject, while Promise.race() rejects as soon as one Promise is rejected.

Promise. all() returns a promise that resolves to an array of values from the input promises while the Promise. race() returns a promise that resolves to the value from the first settled promise

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What is the output of the following JavaScript code?

11

21

12

22

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What will be the Output of the Following JavaScript Code?

Error

6

2

10

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of These is Used to Declare a Constant Data Type?

  • constant

  • cons

  • const

  • cnst

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What will be the Output of the Given Code?

  • Undefined

20

Error

40

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Where Should You Insert JavaScript Code in an HTML Document?

  • The <head>section

  • The <body> section

  • Both <head> and <body> section

  • Anywhere in the HTML file

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