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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 4
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Chapter 2
Consuming Context in Nested Components
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How does a nested React component consume context?
By passing it through props.
Using the useContext hook directly.
Using the useContext hook directly.
Via global state variables.
What hook allows nested components to access context?
The useEffect hook.
The useContext hook.
The useState hook.
The useContext hook.
In React, how to avoid prop drilling in nested components?
By consuming context with useContext.
By global variables.
By consuming context with useContext.
By using props extensively.
What occurs if context is not provided to a nested component?
It throws an error immediately.
It returns undefined values.
It uses default props.
It returns undefined values.
Which method is ideal for nested components to read context?
Invoke useContext in the component.
Invoke useContext in the component.
Pass context via props chain.
Use context in parent only.
5 questions remaining
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Creating Context Providers
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Real-World Project: Building a Theme Switcher