Learn JavaScript from Scratch JavaScript for Everyone - Callback Functions
Interactive Video
•
Information Technology (IT), Architecture
•
University
•
Practice Problem
•
Hard
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What makes JavaScript a powerful language according to the video?
Its event-driven nature
Its support for object-oriented programming
Its ability to handle large datasets
Its compatibility with all browsers
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a callback in JavaScript?
A function that is used to handle errors
A function that runs in parallel with other functions
A function that is executed after another function completes
A function that is executed immediately
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does the setTimeout function work in JavaScript?
It executes a function immediately
It delays the execution of a function for a specified time
It cancels the execution of a function
It repeats the execution of a function at regular intervals
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary purpose of using setTimeout in JavaScript?
To execute a function immediately
To delay the execution of a function
To cancel a function execution
To execute a function repeatedly
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens when a callback function is used in JavaScript?
The function is ignored
The function is executed after a specified event or time
The function is executed in parallel with other functions
The function is executed immediately
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