Modern JavaScript from the Beginning - Second Edition - Page Router and Active Link

The video tutorial demonstrates how to build a simple JavaScript router to execute specific functions on different pages. It covers setting up a global state to track the current page, initializing the app, and using switch statements to create a router. Additionally, it explains how to highlight active navigation links based on the current page.

Describe the process of initializing the app when the DOM content is loaded.

What are the different cases handled in the router for various pages?

What functionality is added to highlight the active link in the navigation?