The Front-End Web Developer Bootcamp - HTML, CSS, JS, and React - First React App

This video tutorial guides viewers through creating their first React app. It covers the initial setup, starting the app, understanding its hierarchical structure, and cleaning up unnecessary files. The tutorial also explains the role of node modules and important files like package.json, emphasizing the importance of not deleting them. By the end, viewers will have a basic understanding of React app creation and structure.

What command is used to create a new React application?

• react-init

• npm create-react-app

• npx create-react-app

• create-react-app

What is the purpose of the cleanup process in a React app?

• To add new features

• To change the app's name

• To update the React version

• To remove unnecessary files

Which command is used to start a React application?

• npx start

• react start

• npm run

• npm start

In a React app, what is the role of the index.html file?

• It is used for styling

• It contains the app's logic

• It is the parent in the hierarchical structure

• It is the main component

What should you do if errors appear after deleting files during cleanup?

• Ignore them

• Reinstall React

• Remove related content from other files

• Restart the computer

What is stored in the node_modules folder?

• Configuration files

• Installed packages and their dependencies

• React components

• Application metadata

What information is contained in the package.json file?

• Server configuration

• Styling information

• User data

• App's name, version, and dependencies

What does the render method do in a React application?

• Compiles the code

• Handles user input

• Displays content on the browser

• Saves the application state

Why should you not delete the package.json file?

• It contains user data

• It is not important

• It is used for styling

• It is crucial for the app to run

What is the significance of the root in a React application?

• It contains the app's logic

• It is the main styling file

• It is the parent element for rendering

• It is used for testing