how to run react js code example

Example 1: command to create react app

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

Example 2: creating react app using npx

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

Example 3: npm create react app

npx --ignore-existing create-react-app .

Example 4: create react app

//open terminal and run this code
create-react-app newreact
//it will install all the packages