React interviews questions and answers with code

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React Interview Preparation: Best Questions, Best Answers, and Sample Code.

React interviews often assess a candidate's understanding of React concepts, their ability to implement features using React, and how well they can debug or optimize React applications. Common topics include React components (functional and class-based), state and props, lifecycle methods, hooks, context API, and performance optimization techniques. Candidates might be asked to explain or write code for specific features, such as a dynamic to-do list, handling form inputs, or conditional rendering. Code challenges can test the usage of React Router, Redux, or integrating APIs. Understanding event handling, JSX syntax, and best practices for state management is crucial. Below, we provide commonly asked React interview questions, detailed answers, and code examples to help you prepare effectively. Whether you’re a beginner or experienced developer, these resources will enhance your confidence for the interview.

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