Everyone conflates these three concepts. You see them mentioned together constantly, people use the words interchangeably, and most articles mix them up or bury the differences in jargon. Here’s what they actually are, why they’re different, and when to use them. [1]
Debouncing: Wait Until The Storm Passes Debouncing delays execution until after a period of inactivity.
Imagine someone typing into a search box. Every keystroke is an event. Without debouncing, you’d fire an API request with every single keystroke — character 1, character 2, character 3, and so on. That’s wasteful.