How does jQuery internally manage event delegation and bubbling?

jQuery leverages the browser's event bubbling mechanism and internally normalizes event propagation to efficiently manage delegated events.

Event delegation is one of jQuery's most powerful architectural optimizations. Instead of attaching individual event listeners to every child element, jQuery attaches a single listener to a common ancestor and intercepts bubbling events.

Internally, jQuery maintains an event registry associated with DOM elements using its internal data cache. When an event is triggered:

5.…