
MERN_STACK_11
Quiz
•
Computers
•
University
•
Practice Problem
•
Hard
S Kumar
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5 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 5 pts
Which file is commonly used as the entry point of a React application?
index.html
main.js
app.jsx
index.js
2.
MULTIPLE CHOICE QUESTION
20 sec • 5 pts
In the context of React, what is the purpose of the onChange event?
It triggers when a form is submitted.
It triggers when an input field loses focus.
It triggers when the value of an input field changes.
It triggers when a button is clicked.
3.
MULTIPLE CHOICE QUESTION
20 sec • 5 pts
What does JSX stand for in the context of React?
JavaScript XML
JSON Exchange
Java Syntax Extension
JSX doesn't stand for anything
4.
MULTIPLE CHOICE QUESTION
20 sec • 5 pts
What is the purpose of the useState hook in React?
To manage side effects in functional components.
To create reusable custom hooks.
To handle state changes in functional components.
To manage routing in React applications.
5.
MULTIPLE CHOICE QUESTION
20 sec • 5 pts
What is React?
A programming language
A JavaScript library for building user interfaces
An operating system
A database management system
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