ReactJS Installation

ReactJS is an open-source JavaScript library that is used for building user interfaces or UI components. Installing ReactJS is an easy process and can be done using the Node Package Manager or npm. Here is how to install ReactJS:

Syntax

npx create-react-app my-app
cd my-app
npm start

Example

npx create-react-app my-app

Output

success Installed "axios@0.21.1" with binaries:
      - axios

+ react-scripts@3.4.4
added 1597 packages from 741 contributors and audited 1598 packages in 66.643s

94 packages are looking for funding
  run `npm fund` for details

found 0 vulnerabilities

Success! Created my-app at /Users/username/my-app
Inside that directory, you can run several commands:

  npm start
    Starts the development server.

  npm run build
    Bundles the app into static files for production.

  npm test
    Starts the test runner.

  npm run eject
    Removes this tool and copies build dependencies, configuration files
    and scripts into the app directory. If you do this, you can’t go back!

We suggest that you begin by typing:

  cd my-app
  npm start

Explanation

• npx create-react-app my-app creates a new ReactJS application with the name my-app.
• cd my-app changes the directory to the newly created my-app folder.
• npm start starts the development server and launches the ReactJS application in a web browser.

Use

You can use ReactJS to create dynamic and interactive user interfaces. ReactJS is widely used for building web applications.

Important Points

• ReactJS requires Node.js version 8.10 or higher.
• ReactJS can be installed using the Node Package Manager (npm).
• ReactJS is used for building user interfaces.

Summary

ReactJS is an open-source JavaScript library that is used for building user interfaces or UI components. ReactJS can be easily installed using the Node Package Manager (npm). ReactJS is widely used for building web applications.