Introduction
Are you preparing for a ReactJS interview in 2024? ReactJSis an essential skill for frontend developers, and acing interview questions can set you apart. This post features 50+ ReactJS Interview Questions that cover basic, intermediate, and advanced topics, along with a free PDF download to help you revise anytime, anywhere.

Why Download This PDF?
The PDF is your ultimate guide to ReactJS interview preparation, designed to:

1. Save time by compiling questions and answers in one place.
2. Cover all levels, from foundational concepts to advanced topics.
3. Be easy to read, navigate, and study offline.

Download the Free PDF
Click below to download the comprehensive PDF guide with 50+ ReactJS interview questions and answers to ace your next interview.
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Basic ReactJS Interview Questions
Here’s a sneak peek of what the PDF includes:

What is React?
React is a JavaScript library used for building interactive UIs.

Explain the virtual DOM in React.
The virtual DOM is a lightweight copy of the real DOM, enabling efficient updates and rendering.

Intermediate ReactJS Interview Questions
What is Redux, and why is it used in React?
Redux is a state management library used to manage global states efficiently in React applications.

What are controlled and uncontrolled components?
Controlled: State is managed by React.
Uncontrolled: State is managed by the DOM.

Advanced ReactJS Interview Questions
What are React hooks, and why are they important?
React hooks like useState and useEffect enable functional components to manage state and lifecycle.

Explain React's context API.
Context API provides a way to share data across components without passing props manually at every level.