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    React Advanced Concepts: Re-Rendering, Performance & More

    Posted By: ELK1nG
    React Advanced Concepts: Re-Rendering, Performance & More

    React Advanced Concepts: Re-Rendering, Performance & More
    Published 3/2025
    MP4 | Video: h264, 1920x1080 | Audio: AAC, 44.1 KHz
    Language: English | Size: 3.04 GB | Duration: 5h 40m

    Deep Understanding of React’s Inner Workings and Best Practices, From Intermediate to Advanced React

    What you'll learn

    Understanding React State Like Never Before

    Deep Understanding of Re-Rendering

    React’s Decision Process: Mount, Re-Render, and Unmount

    Memoization & Performance Optimization

    Reconciliation & Diffing Algorithm

    Higher-Order Components (HOC)

    Context API & Advanced State Management

    Handling Race Conditions

    Requirements

    Have experience with React (1-2 years)

    Ability to build applications with React

    Description

    You've been working with React for a while, building applications and following best practices. But do you sometimes find React behaving in ways you don’t fully understand? Do unexpected re-renders, performance issues, or complex component interactions leave you feeling stuck?This course is designed to take you beyond the fundamentals and into the advanced mechanics of React. We’ll break down the hidden intricacies of React’s rendering engine, performance optimization techniques, and architectural patterns that top React developers use to build scalable and efficient applications.What You’ll Learn:- Understanding React State Like Never Before: Learn exactly how React manages state, how it triggers updates, and how to avoid common state-related pitfalls.- Deep Understanding of Re-Rendering: Understand what re-rendering truly means, when React decides to re-render a component, and how to prevent unnecessary renders.- React’s Decision Process: Mount, Re-Render, and Unmount: Gain a crystal-clear understanding of when React mounts a component, when it re-renders, and when it unmounts—and how you can control this behavior for better performance.- Memoization & Performance Optimization: Master techniques like useMemo, useCallback, and React.memo to optimize expensive computations and prevent unnecessary updates.- Reconciliation & Diffing Algorithm: Learn how React efficiently updates the DOM behind the scenes and how understanding this process can help you write more performant components.- Higher-Order Components (HOC): Explore how to enhance component functionality using HOCs and compare them with modern alternatives like hooks.- Context API & Advanced State Management: Dive deep into React’s Context API, fix some performance issue- useRef & ForwardRef: Learn how to manage references, avoid unnecessary re-renders, and directly manipulate the DOM when needed.- Handling Race Conditions & Async Pitfalls: Discover how to prevent common issues when dealing with asynchronous operations in React, ensuring a smooth and bug-free user experience.- How to Optimize Performance in React Applications: Learn real-world techniques to improve app performance, reduce unnecessary renders, and make your React applications faster and more efficient.By the end of this course, you won’t just use React—you’ll truly understand React. You’ll be able to debug complex issues, optimize performance, and write more maintainable and scalable code with confidence.

    Overview

    Section 1: Introduction

    Lecture 1 Introduction

    Lecture 2 Who is this course for?

    Lecture 3 Source code

    Section 2: State as a Snapshot: Deep Understand

    Lecture 4 The fact about state

    Lecture 5 State as a snapshot - concept

    Lecture 6 Understand snapshot

    Lecture 7 Snapshot example

    Lecture 8 More snapshot example

    Lecture 9 Set new state using callback

    Section 3: Re-render: Deep Understand

    Lecture 10 Introduction to re-render

    Lecture 11 HeavyComponent

    Lecture 12 Lifecyle overview

    Lecture 13 First rule to fix performance: Isolate State

    Lecture 14 Misconception about props

    Lecture 15 Second rule to fix performance: Render as Props

    Lecture 16 ElementBeforeReRender vs ElementAfterReRender

    Lecture 17 Refactor to render as children

    Lecture 18 Summarize

    Section 4: Memoization: Enhance Performance Optimization

    Lecture 19 Introduction to memoization

    Lecture 20 Prevent unnecessary re-render using memo

    Lecture 21 Break memo - Why memo not work?

    Lecture 22 useCallback - memo function

    Lecture 23 useMemo - memo result

    Lecture 24 memo with useCallback & useMemo

    Section 5: Reconciliation & Diffing Algorithms

    Lecture 25 Section Overview

    Lecture 26 Hmm. What's going on??

    Lecture 27 How does React decide to unmount component?

    Lecture 28 The difference between re-render and mount/unmount

    Lecture 29 Force component mount/unmount

    Lecture 30 Deep understand the "key" props

    Lecture 31 Force component unmount with "key" props

    Lecture 32 The anti-pattern

    Section 6: Higher Order Component (HOC)

    Lecture 33 What's HOC?

    Lecture 34 Understand higher order component

    Lecture 35 Implement withFetchData HOC

    Lecture 36 Implement withTheme HOC

    Lecture 37 Add additional logic to HOC

    Section 7: React Context Deep Dive: Don't Scare Context

    Lecture 38 Section Overview

    Lecture 39 App overview

    Lecture 40 State & pass props down

    Lecture 41 Context can fix performance

    Lecture 42 Optimize re-render for context

    Section 8: Ref: Access to DOM Element

    Lecture 43 Introduction

    Lecture 44 Explain the ref in detail

    Lecture 45 More about ref - experimental

    Lecture 46 Most common use case

    Lecture 47 Pass ref to children component

    Lecture 48 useImperativeHandle

    Section 9: Race Condition on Front End

    Lecture 49 Welcome to this section

    Lecture 50 Race condition demo

    Lecture 51 The way to fix race condition

    React developers who want to improve their skills,Want to understand React in depth