This detailed tutorial shows how to implement pure functions in JavaScript that are deterministic and referentially transparent, and create no side effects.

Web apps provide the best experience when they load quickly and data appears as available. We review how to use streaming HTML to load pages quickly and display data asynchronously without JavaScript.

(https://react.dev/learn) Review material on React.js setup and run dummy page with given code on this webpage. Todo: When completed with the tutorial, make a comment to this issue ...

The PS5 UI has been recreated in JavaScript and it fully explorable with your keyboard. It has also been turned into a coding tutorial.

Using JavaScript to place things directly in your body element is never a good idea. A lot can go wrong, especially if you’re mixing React with other JavaScript libraries and frameworks.