how to create a new react app

1npx create-react-app my-app
2cd my-app
3npm start

1npx create-react-app project-name

1npx create-react-app my-app
2cd my-app
3npm start
4//Note:npx on the first line is not a typo — 
5//it’s a package runner tool that comes with npm 5.2+.

1npx create-react-app your-project-name

1npx create-react-app .
2npm start

1npx create-react-app app-name // Initializes React App
2cd app-name
3npm start // Starts development server ate localhost:3000