react app
npx create-react-app my-app
cd my-app
npm start
Proud Panther
npx create-react-app my-app
cd my-app
npm startnpx create-react-app my-app
cd my-app
yarn startnpm install -g create-react-app
create-react-app react-app
cd my-app
npm startnpx --ignore-existing create-react-app .npm install --save react-styleguidist