React Hooks
Dive into the world of React Hooks, a powerful set of features that
simplify state management and lifecycle methods in functional
components.
What are React Hooks?
1 Built-in Functionality 2 Reusable Hooks
Hooks provide access to React's Developers can create custom Hooks
built-in features like state, lifecycle, to encapsulate and share reusable
and context without using class logic across components.
components.
3 Functional Programming
Hooks enable a more functional, declarative approach to building React applications.
Hooks vs. Class Components
Class Components Functional Components with Hooks
Stateful, use lifecycle methods, more verbose syntax Stateful, use Hooks to access lifecycle, more concise
syntax
Common Hooks: useState, useEffect,
useContext
useState
1
Manage state in functional components
useEffect
2
Perform side effects like data fetching and
subscription management
useContext
3
Access and share data across the component
tree
Custom Hooks
Encapsulate Logic Improve Readability Promote Sharing
Custom Hooks allow you to Custom Hooks make your code Publish and share your custom
package and reuse stateful logic more modular and easier to Hooks with the community
understand
Hooks for State Management
useState useReducer useContext
Manage local component state Manage complex state with reducers Share data across the component
tree
Performance Optimization
with Hooks
useMemo
1 Memoize expensive computations
useCallback
2 Memoize callback functions
Conclusion and Resources
Explore the world of React Hooks and continue your learning journey with
online tutorials, documentation, and open-source projects.
