Cornerstone of Interactions

In this lesson, we touch upon the cornerstone of interactions.

The many talents of the DOM

Do not think that DOM is only for standardized and browser vendors.


Developers are the real winners of DOM’s existence!


  • Almost every interaction between a user and a web page is built on DOM. When you click a component of a page, a node of the DOM hierarchy receives the event and responds by executing some code.

Get hands-on with 1200+ tech skills courses.