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Hooks in Depth

The interview-critical part: the Rules of Hooks, useState & useEffect deeply, dependencies & stale closures, useLayoutEffect vs useEffect, useRef, useMemo/useCallback, useReducer, useContext, the modern hooks, and custom hooks.

Volume 3 · Part IV · 11 chapters · 11 lessons
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What you'll learn

  • The Rules of Hooks
  • useState Deeply
  • useEffect: The Mental Model
  • Dependencies, Cleanup & the Stale-Closure Trap
  • useLayoutEffect vs useEffect
  • useRef: Values & the DOM
  • useMemo & useCallback
  • useReducer
  • useContext
  • Modern Hooks Tour
  • Custom Hooks

Curriculum

4 modules · 11 lessons
Module 1The Foundation2 lessons
The Rules of HooksPreview
useState Deeply
Module 2Effects3 lessons
useEffect: The Mental Model
Dependencies, Cleanup & the Stale-Closure Trap
useLayoutEffect vs useEffect
Module 3Refs, Memoization & Reducers3 lessons
useRef: Values & the DOM
useMemo & useCallback
useReducer
Module 4Context & Beyond3 lessons
useContext
Modern Hooks Tour
Custom Hooks

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