Quiz

React Fundamentals

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Quiz

Question 1

Which of the following is true about JSX?

A

JSX must always be written in a separate file

B

JSX is a syntax extension that gets compiled to JavaScript

C

JSX can only contain one element

D

JSX is not required in React applications

Question 2

What is the correct way to insert a JavaScript expression inside JSX?

A

<h1> {{2 + 2}} </h1>

B

<h1> 2 + 2 </h1>

C

<h1> (2 + 2) </h1>

D

<h1> {2 + 2} </h1>

Question 3

What does JSX stand for in React?

A

JavaScript Extension

B

Java Syntax Extension

C

JavaScript XML

D

JavaScript XHTML

Question 4

Why do JSX elements need to be wrapped in a single parent element?

A

Because JSX must return a single root element

B

Because JavaScript does not allow multiple elements in a return statement

C

Because JSX only supports div as a wrapper element

D

Because JSX only supports div as a wrapper element

.....

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