build react online code example
Example: react js documentation
//With node and npm already installed for basic start
npx create-react-app my-app-name
// if you want to use npm
npx create-react-app my-app-name --npm
//if you want to use typescript
npx create-react-app my-app-name --template typescript
yarn start // app will be hosted on localhost:3000
/* start making changes at ./my-app-name/src/App.js
React documentation: https://reactjs.org/docs/hello-world.html
*/