React JS - MCQ Quiz

What is the primary purpose of React?

• To manage databases

• To style components

• To build user interfaces

• To handle HTTP requests

What is a component in React?

• A function that directly modifies the DOM

• A JavaScript function or class that returns JSX

• A special type of CSS file

• A package manager

What is JSX?

• A special type of JSON

• A CSS preprocessor

• JavaScript XML - a syntax extension for JavaScript

• A database query language

Which CSS property is used to change the text color of an element?

• font-style

• text-color

• color

• background-color

Which CSS property controls the spacing between elements' borders and their content?

• padding

• margin

• border-spacing

• spacing

What does HTML stand for?

• Hyper Text Markup Language

• Home Tool Markup Language

• Hyperlinks and Text Markup Language

• Hyper Tool Multi Language

Which HTML tag is used to display a line break?

• <break>

• <lb>

• <br>

• <newline>

Which tag is used to create a hyperlink in HTML?

• <link>

• <a>

• <href>

• <url>