Getting Started with Create React App

What is Getting Started with Create React App?

It is a project bootstrapped with Create React App, providing a set of scripts to develop, test, and build a React application.

How to use Getting Started with Create React App?

Use npm start for development, npm test for testing, npm run build for production builds, and npm run eject to gain full control over configuration.

Key features of Getting Started with Create React App

• Bootstrapped with Create React App
• npm start runs development mode with hot reload
• npm test launches interactive test runner
• npm run build creates optimized production build
• npm run eject exposes all configuration files

Use cases of Getting Started with Create React App

• Starting a new React project quickly
• Running local development server on http://localhost:3000
• Running unit tests interactively during development
• Building production bundle with hashed filenames

FAQ from Getting Started with Create React App

What does npm start do?

It runs the app in development mode, opens http://localhost:3000, and automatically reloads the page when you make changes.

What does npm test do?

It launches the test runner in interactive watch mode.

What does npm run build do?

It builds the app for production to the build folder, minifying and hashing filenames for optimal performance.

What does npm run eject do?

It removes the single build dependency and copies configuration files (webpack, Babel, ESLint, etc.) into your project for full control, but it is a one‑way operation.

Where can I learn more about Create React App?

You can refer to the Create React App documentation at https://facebook.github.io/create-react-app/docs/getting-started and the React documentation at https://reactjs.org/.