comando para criar um aplicativo React
npx create-react-app my-app
cd my-app
npm start
Proud Panther
npx create-react-app my-app
cd my-app
npm start
// Go into the folder where you wish to create your app
yarn create react-app appname
npx create-react-app app-name
cd app-name
npm start
yarn create react-app my-appCopied
npx create-react-app my-app
cd my-app
yarn start
npm start or yarn start