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Basics
JSX
Virtual DOM
Reconciliation
State and Props
Components
Class Components
Function Components
Lifecycle functions
Code Sharing
Hooks
useState
useReducer
useMemo
useContext
useCallback
useEffect
Custom Hooks
New Hooks
HOC
Refs
Data Sharing
Events
Context API
Redux
Router
CSR-SSR
React APIs
Performance Optimisation
ReactDOM
React APIs
Strict Mode
Security
All Topics
8th of 14 Questions.
What should we do in cleanup functions?
Cancel network requests.
Clear timeouts
Clear intervals
Remove event listeners
Close WebSockets.