React Native Skills Challenge

What is a component in React Native?

• A component in React Native is a type of database.

• A component in React Native is a server-side script.

• A component in React Native is a styling framework.

• A component in React Native is a reusable building block for the user interface.

How do you create a new component?

• Use a pre-built library without customization.

• Define a function or class for the component and export it.

• Create a component by modifying an existing one directly.

• Write the component in a different programming language.

What is state in React Native?

• State is a lifecycle method in React Native.

• State is a type of prop that cannot change.

• State is a method for styling components.

• State in React Native is an object that holds the component's dynamic data and determines its rendering.

How do you manage state in a component?

• Use global variables for state management

• Use useState in functional components or this.setState in class components.

• Use localStorage to manage state

• State management is not needed in components

What are props in React Native?

• Props are styles applied to components.

• Props are the main components of the React Native framework.

• Props in React Native are inputs to components that allow data to be passed and managed.

• Props are methods for handling user input.

How do you pass props to a component?

• Use CSS classes to style the component.

• Use JSX attributes to pass props to a component.

• Pass props using global variables.

• Props are automatically available without passing them.

What is the purpose of useState hook?

• To fetch data from an API

• The purpose of the useState hook is to manage state in functional components.

• To handle side effects in components

• To define prop types for components

How can you update the state in a component?

• Directly modify the state object

• Use updateState in functional components

• Use getState in class components

• Use setState in class components or useState in functional components.

What is the difference between state and props?

• State is mutable and local to a component; props are immutable and passed from parent to child.

• Props can be changed by the child component; state cannot be passed between components.

• State and props are both mutable and can be changed directly by the component.

• State is immutable and passed from parent to child; props are mutable and local to a component.

How do you handle events in React Native?

• Use event handlers like onPress, onChange, etc., to handle events in React Native.

• React Native does not support event handling.

• Events are handled using global variables.

• Use CSS styles to manage events.