Async-Await: Part II
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Information Technology (IT), Architecture
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University
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Practice Problem
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Hard
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary benefit of using async/await in JavaScript?
It makes asynchronous code run faster.
It simplifies the syntax of asynchronous code.
It eliminates the need for promises.
It allows JavaScript to handle synchronous tasks.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does an async function always return?
An array
An object
A promise
A string
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of an async function if no value is explicitly returned?
A promise fulfilled with undefined
null
undefined
An empty string
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can you handle the result of a promise returned by an async function?
Using a conditional statement
Using a callback function
Using the then method
Using a loop
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of the await operator in an async function?
To pause the execution of the function until the promise is resolved
To convert a promise into a callback
To handle errors in the function
To make the function synchronous
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the context of async/await, what does the await keyword do?
It resolves a promise immediately
It pauses the function execution until the promise is settled
It handles errors in the promise
It converts a promise into a synchronous function
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens if an error is thrown inside an async function?
The function returns undefined
The error is ignored
The function continues execution
The promise is rejected
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