React Intelligence Department
TOP SECRET
Id:
UseEffect
Name:
The Tracker
Hook:
UseEffect
Role:
Monitors changes and responds to them in real time.
UsedFor:
Fetching data, syncing with external systems, or reacting to state changes.
Traits Markers
- 👨💻Performs side effects
- 👨💻Runs after render
- 👨💻Watches dependencies
Legend
useEffect manages side effects in React functional components. It runs after the DOM is updated and can handle tasks such as data fetching, subscriptions, and manual DOM manipulation. It accepts a cleanup function for handling teardown logic like clearing timers or unsubscribing from services.