Vitux published a tutorial about installing Reveal.js on Ubuntu 20.04.
How to install Reveal.js on Ubuntu 20.04
Reveal.js is a free and open-source HTML presentation framework that enables users to create free, fully-featured, and attractive presentations using a web browser. Users can use web technologies in the presentations using the reveal.js framework. This tool helps to add more CSS styles, add an external web page, include <iframe>and custom user behavior using different JavaScript APIs.
