how to use react starter app yopu created multiple times code example
Example 1: creating react app using npx
npx create-react-app my-app
cd my-app
yarn startExample 2: react app using npm
npx create-react-app app-name
cd app-name
npm startnpx create-react-app my-app
cd my-app
yarn startnpx create-react-app app-name
cd app-name
npm start