DOM Architecture, Traversal & Event Delegation
Query DOM nodes with querySelector, create dynamic elements, attach event listeners, and optimize performance using event delegation.
DOM Tree Architecture & Event Delegation
### Event Delegation Mechanics
Attaching individual event handlers to hundreds of DOM elements degrades browser memory performance. **Event Delegation** leverages **Event Bubbling** by attaching a single event listener to a common parent element, inspecting `event.target` dynamically.
