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Randomly selected 10 React Native interview questions and their answers:
1. What is React Native?
A: React Native is an open-source mobile application development framework that allows developers to create native apps for iOS and Android platforms using JavaScript and React.
2. What are the advantages of React Native over other mobile development frameworks?
A: React Native offers advantages such as code reusability, faster development times, and better performance compared to other mobile development frameworks.
3. What is the difference between React and React Native?
A: React is a JavaScript library used for building web applications, while React Native is a framework used for building native mobile applications.
4. What are the key components of React Native?
A: The key components of React Native include View, Text, Image, ScrollView, StyleSheet, TextInput, and Touchable.
5. What is JSX in React Native?
JSX is a syntax extension for JavaScript that allows developers to write HTML-like code in their JavaScript files. React uses JSX to define components.
6. What is the difference between props and state in React Native?
A: Props are used to pass data from a parent component to a child component, while state is used to manage the internal state of a component.
7. What is Redux in React Native?
A: Redux is a state management library used in React Native for managing the state of an application in a predictable and centralized way.
8. What is the role of the 'render' method in React Native?
A: The 'render' method is used to define what should be displayed on the screen based on the component's state and props.
9. What is the difference between a stateful and stateless component in React Native?
A: A stateful component has an internal state that can be changed, while a stateless component does not have an internal state and receives all its data through props.
10. How can you debug a React Native application?
A: You can debug a React Native application using the Chrome Developer Tools, the React Native Debugger, or by using console.log statements in your code. Additionally, you can use tools such as Reactotron to debug and monitor your application's state and performance.
To be continued...
#reactnative
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