Event Delegation
Event Delegation
Section titled “Event Delegation”Introduction
Section titled “Introduction”Event delegation is a technique where you attach a single event listener to a parent element instead of multiple listeners to individual children. It works because events bubble up.
Topics Covered
Section titled “Topics Covered”- Without Delegation — The problem with individual listeners
- With Delegation — How delegation solves the problem
- Practical Examples — Real-world delegation patterns
Summary
Section titled “Summary”Single parent listener handles all children via bubbling. Use e.target.closest() to identify targets. Works for dynamically added elements. Reduces memory usage.