In which order do the three phases of event propagation occur?
Event propagation in the DOM occurs in three distinct phases: 1) Capturing Phase - event travels down from the root (window) through ancestors to the target's parent, 2) Target Phase - event reaches the actual target element, 3) Bubbling Phase - event bubbles up from the target back through ancestors to the root. This order is crucial for understanding event handling and delegation patterns in JavaScript.