Introduction
Top 10:- Questions and Answers for improving and understanding React Native Framework. Learn and Understand React Native Framework like Pro.
1. Question: What is React Native?
Answer: React Native is an open-source framework for building mobile applications using JavaScript and React. It allows developers to write code once and deploy it on multiple platforms, such as iOS and Android.
2. Question: What is the primary programming language used in React Native?
Answer: React Native primarily uses JavaScript for developing mobile applications.
3. Question: What is the purpose of JSX in React Native?
Answer: JSX (JavaScript XML) is a syntax extension used in React Native to define the structure and layout of user interfaces in a declarative way.
4. Question: How do you create a new React Native project?
Answer: You can create a new React Native project using the npx react-native init ProjectName command.
5. Question: What is a "component" in React Native?
Answer: A component in React Native is a reusable piece of UI that can be composed together to build complex user interfaces.
6. Question: What is the purpose of the "props" object in React Native components?
Answer: The "props" (short for properties) object is used to pass data from parent components to child components in React Native.
7. Question: How do you handle user input in React Native forms?
Answer: User input in React Native forms is handled using state. You capture user input and store it in component state, then update the UI accordingly.
8. Question: What is a "state" in React Native?
Answer: State in React Native is an object that represents the data and UI state of a component. It can be modified to trigger re-rendering of the component.
9. Question: What is the purpose of React Native's "StyleSheet" component?
Answer: The "StyleSheet" component is used to define and manage styles in React Native applications for better performance and organization.
10. Question: How do you test React Native applications?
csharp**Answer:** React Native applications can be tested using various testing libraries and frameworks, such as Jest and React Native Testing Library.
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