Modern JavaScript from the Beginning - Second Edition - Event Delegation and Multiple Events

The video tutorial explains how to efficiently handle events in JavaScript by using event delegation. Initially, it discusses the inefficiency of adding event listeners to each element individually. It then introduces event delegation, a pattern that allows a single event listener to manage multiple elements by targeting their parent. The tutorial demonstrates how to implement this technique, showing how to add a listener to a parent element and use the event target to identify and manipulate child elements. Advanced uses of event delegation, such as changing styles on mouseover, are also covered.

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