The Complete React Developer Course (with Hooks and Redux) - ES6 Promises
Interactive Video
•
Information Technology (IT), Architecture
•
University
•
Practice Problem
•
Hard
Wayground Content
FREE Resource
Read more
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary purpose of promises in JavaScript?
To create new JavaScript objects
To manage asynchronous tasks
To simplify CSS styling
To handle synchronous operations
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which function is used to create a new promise in JavaScript?
createPromise()
Promise.new()
Promise.create()
new Promise()
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the resolve function do in a promise?
It retries the promise
It logs an error message
It indicates a successful operation
It cancels the promise
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can you simulate a delay in a promise resolution?
Using setImmediate
Using clearTimeout
Using setTimeout
Using setInterval
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What method is used to handle a promise rejection?
.then()
.reject()
.finally()
.catch()
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens if a promise is rejected and there is no catch handler?
A JavaScript error is thrown
The promise is ignored
The promise retries
The promise resolves automatically
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which method can take two arguments to handle both resolve and reject cases?
.finally()
.catch()
.then()
.resolve()
Access all questions and much more by creating a free account
Create resources
Host any resource
Get auto-graded reports

Continue with Google

Continue with Email

Continue with Classlink

Continue with Clever
or continue with

Microsoft
%20(1).png)
Apple
Others
Already have an account?
Similar Resources on Wayground
8 questions
The Complete React Developer Course (with Hooks and Redux) - Webpack Dev Server
Interactive video
•
University
8 questions
Express Framework Fundamentals - Secure Sign-Up with Auth0 and Node.js - EJS State Management and Updates with Express R
Interactive video
•
University
8 questions
Modern HTML and CSS from the Beginning (Including Sass) - Targeted Selectors
Interactive video
•
University
11 questions
The Modern JavaScript Bootcamp (2019) - Primitives and Objects: Part II
Interactive video
•
University
8 questions
Lawyer Speaks On Behalf Of Brown Family Regarding Sesame Place Video
Interactive video
•
University
Popular Resources on Wayground
8 questions
2 Step Word Problems
Quiz
•
KG - University
20 questions
Comparing Fractions
Quiz
•
4th Grade
15 questions
Fractions on a Number Line
Quiz
•
3rd Grade
20 questions
Equivalent Fractions
Quiz
•
3rd Grade
25 questions
Multiplication Facts
Quiz
•
5th Grade
10 questions
Latin Bases claus(clois,clos, clud, clus) and ped
Quiz
•
6th - 8th Grade
22 questions
fractions
Quiz
•
3rd Grade
7 questions
The Story of Books
Quiz
•
6th - 8th Grade
Discover more resources for Information Technology (IT)
8 questions
2 Step Word Problems
Quiz
•
KG - University
7 questions
Comparing Fractions
Interactive video
•
1st Grade - University
7 questions
Force and Motion
Interactive video
•
4th Grade - University
10 questions
14.2 Independent/Dependent Variables
Quiz
•
KG - University
18 questions
Great Lakes States
Quiz
•
KG - University
7 questions
DNA, Chromosomes, Genes, and Traits: An Intro to Heredity
Interactive video
•
11th Grade - University
7 questions
Reflexive Verbs in Spanish
Lesson
•
9th Grade - University
7 questions
Narrative Writing 1
Interactive video
•
4th Grade - University