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Refs
1. What are refs and why do we need them?
Level: Expert | Frequency: High
2. What things can be referenced using refs? Use cases of refs?
Level: Expert | Frequency: High
3. How do you create and use refs?
Level: Expert | Frequency: High
4. When should we use the callback ref method for creating refs?
Level: Expert | Frequency: High
All Topics
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