Alpha OBS Interview Questions and Answers

React Native has several lifecycle methods that allow developers to control what happens at different stages of a component's life.

• Components in React Native have several lifecycle methods such as componentDidMount, componentDidUpdate, componentWillUnmount, etc.

• These methods allow developers to perform actions like fetching data, updating the UI, and cleaning up resources.

• For example, componentDidMount is often used to...read more

Functional components are simple functions that return JSX, while class components are ES6 classes that extend React.Component.

• Functional components are stateless and do not have access to lifecycle methods.

• Class components have access to lifecycle methods and can hold state.

• Functional components are easier to read and test, while class components can be more complex and verbose.

• Example: Functional component - const My...read more

Redux is a predictable state container for JavaScript apps.

• Centralized state management

• Predictable state changes with actions and reducers

• Helps in managing complex state in large applications

• Can be used with React, Angular, Vue, etc.

• Example: Actions like 'ADD_TODO' trigger reducers to update state