how to install react js using npm code example

Example 1: how to create react app

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

Example 2: install react js

npx create-react-app <appname>  //  eg:  npx create-react-app blog
cd <appname>  // cd blog
npm start  //runs on localhost:3000

Example 3: create new react app

Create new react app