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Built-in React Hooks
5 Units
25 Lessons
Unit 1
State Hooks
Real-World Project: Building a Counter Application
Introduction to useState Hook
Basic Usage of useState
Updating State with useState
Handling Complex State with useState
Unit 2
Effect Hooks
Introduction to useEffect Hook
Managing Dependencies in useEffect
Fetching Data with useEffect
Running Effects on Component Updates
Real-World Project: Creating a Timer Application
Unit 3
Ref Hooks
Basics of useRef Hook
Using useRef for DOM Access
Persisting Values with useRef
Forwarding Refs in React
Real-World Project: Implementing Focus Management
Unit 4
Context Hooks
Creating Context Providers
Consuming Context in Nested Components
Real-World Project: Building a Theme Switcher
Using useContext Hook
Understanding React Context
Unit 5
Performance Hooks
Using useCallback for Function Memoization
Preventing Unnecessary Re-renders
Introduction to useMemo Hook
Real-World Project: Optimizing a List Rendering Component
Memoizing Expensive Calculations
Unit 5
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Chapter 3
Introduction to useMemo Hook
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In the counter example, what is the main purpose of useMemo for the isEven function?
Optimize rendering performance
Memoize computation to avoid re-execution
Make function asynchronous
Bind function to component
In the counter example, what is the main purpose of useMemo for the isEven function?
Bind function to component
Optimize rendering performance
Make function asynchronous
Memoize computation to avoid re-execution
In the counter example, what is the main purpose of useMemo for the isEven function?
Memoize computation to avoid re-execution
Make function asynchronous
Bind function to component
Optimize rendering performance
In the counter example, what is the main purpose of useMemo for the isEven function?
Make function asynchronous
Memoize computation to avoid re-execution
Bind function to component
Optimize rendering performance
In the counter example, what is the main purpose of useMemo for the isEven function?
Optimize rendering performance
Bind function to component
Make function asynchronous
Memoize computation to avoid re-execution
5 questions remaining
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Preventing Unnecessary Re-renders
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Real-World Project: Optimizing a List Rendering Component