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Technologies
Experiences
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next
Round
Technologies
Experiences
Contribute
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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
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Components (1/12)
What is a component?
All Topics
A component lets you break up the user interface into separate pieces that can be reused and handled independently.
A React component takes an optional input and returns a React element that is rendered on the screen.
A Component is a class or function that describes part of a React UI.