Event delegation at scale
Comes up in: Web fundamentals, Coding, Machine coding
This concept is being written. It gets the full five steps — explanation, predict, interview angle, practice with tests, and review cards. Here is exactly what it will cover, so you can study it elsewhere in the meantime.
What it covers
- one listener on a container
event.target.closest()- dynamic children
- delegation and shadow DOM retargeting
- how React attaches listeners at the root (React 17+)
Words you will know
What you will practise
- delegated todo list
- delegate helper