Interview

The Ultimate React Interview Questions and Answers for 2024

Robby

Are you gearing up for a React interview? Look no further! In this comprehensive article, we’ll cover the most commonly asked React interview questions and provide you with clear and concise answers. Whether you’re a beginner or an experienced developer, this guide will help you prepare and ace your next React interview.

What is React?

React is a popular JavaScript library created by Facebook for building user interfaces. It is designed to make the process of building interactive, data-driven web applications more efficient and easier to manage. React uses a component-based architecture, allowing developers to create reusable UI components and manage their state efficiently.

Why React?

React offers several advantages that make it a popular choice for web development:

  • Virtual DOM: React uses a virtual DOM (Document Object Model) which is a lightweight in-memory representation of the actual DOM. By updating the

React Interview Questions in 2022

FAQ

What is JSX in React interview questions?

JSX: JSX is a JavaScript syntax extension. It is utilized with React to specify how the user interface ought to seem. We can write HTML structures in the same JavaScript code file using JSX. Components: Any React application is built from components, and a single app often comprises of several components.

What is component in React interview questions?

Components are the building blocks of a React application’s UI. These components split up the entire UI into small independent and reusable pieces. Then it renders each of these components independent of each other without affecting the rest of the UI.

What is props in React interview questions?

React Props Every React component accepts a single object argument called props (which stands for “properties”). These props can be passed to a component using HTML attributes and the component accepts these props as an argument. Using props, we can pass data from one component to another. Note- Props are read-only.

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