Javascript

Holyshit

https://itsromiljain.medium.com/the-best-way-to-install-node-js-npm-and-yarn-on-mac-osx-4d8a8544987a

NPM, NPX, NODE, YARN

React app

Inside that directory, you can run several commands:

npm start Starts the development server.

npm run build Bundles the app into static files for production.

npm test Starts the test runner.

npm run eject Removes this tool and copies build dependencies, configuration files and scripts into the app directory. If you do this, you can’t go back!

We suggest that you begin by typing:

cd frontend npm start

Happy hacking!

What is manifest.json? It's a Web App Manifest that describes your application and it's used by e.g. mobile phones if a shortcut is added to the homescreen.