Full Stack Web Development MASTERY Course - Novice to Expert - create-react-app

This video tutorial covers the basics of setting up and understanding a React application. It begins with an introduction to React components, highlighting their reusability and advantages. The tutorial then guides viewers through setting up a React app using Create React App, explaining the use of NPM and NPX. It explores the project structure, detailing the purpose of various files and folders. Finally, it demonstrates how to run a React application and troubleshoot common errors, ensuring a smooth development process.

What is the primary purpose of dividing a React application into components?

• To make the application look more complex

• To make the application run slower

• To reuse components across different parts of the application

• To increase the size of the application

Which of the following is NOT an advantage of using components in React?

• Easier error detection in large codebases

• Ability to reuse components

• Increased rigidity in application design

• Ability to change components using props and state

What is the Create React App package used for?

• To manually write all React code from scratch

• To quickly set up a new React application with a boilerplate

• To create a new HTML page

• To delete existing React applications

What is the difference between NPM and NPX?

• NPM is faster than NPX

• NPM is used for installing packages globally, while NPX is used for executing packages without installing them

• NPX is used for creating HTML files

• NPM is only used for React applications

Which folder in a React application contains the main HTML file?

• Public

• Git Ignore

• Node Modules

• SRC

What is the role of the index.js file in a React application?

• To store CSS styles

• To contain the main HTML structure

• To serve as the entry point for the application

• To manage database connections

What is the purpose of the 'gitignore' file in a React project?

• To manage application dependencies

• To list files that should not be committed to version control

• To configure the application server

• To store application secrets

What command is used to start a React application locally?

• npm install

• npm run

• npm start

• npm build

If you encounter an error stating 'package.json not found', what is a likely solution?

• Restart your computer

• Delete the node_modules folder

• Ensure you are in the correct directory

• Reinstall Node.js

Which command is recommended for building a React application for production?

• npm deploy

• npm test

• npm run build

• npm start