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React useEffect

7 lessons · 12:39 · updated 8/29/2026

Watch them in order, then explain the topic in your own words below.

Nobody with subject knowledge has checked this course yet. It was put together automatically.

What you will do in this course

  • What is useEffect
  • Basic useEffect usage
  • Define functions inside
  • Simple useEffect example
  • Advanced dependency arrays
  • Dependency array basics
  • Avoid common mistake
0 / 7 lessons watched

Getting started

1 lessons · short section, not a full path on its own

1. useEffect Hook in React full explanation with example

What is useEffect

codebypc · watch the original · 0:34

Check yourself

Four questions on this section. Wrong answers are the point: each one explains itself.

Now you explain it

Close what you watched and explain the topic in your own words in 30 seconds. What you can explain is what you have learned. You are marked against this course's lessons and nothing beyond them.

Explain how you would do this: Getting started — What is useEffect.

You are judged on these, and nothing else in the course:

  • What is useEffect

Doing it properly

4 lessons

1. Full React Tutorial - useEffect Hook (the basics)

Basic useEffect usage

Net Ninja · watch the original · 3:56

2. useEffect | Simple React Hooks

Simple useEffect example

Cosden Solutions · watch the original · 0:49

3. React useEffect Dependency Array Explained for Beginners

Dependency array basics

CodeLucky · watch the original · 3:26

4. useEffect - Avoid This Common Mistake in React

New Dev Era · watch the original · 2:13

Check yourself

Four questions on this section. Wrong answers are the point: each one explains itself.

Now you explain it

Close what you watched and explain the topic in your own words in 30 seconds. What you can explain is what you have learned. You are marked against this course's lessons and nothing beyond them.

Explain how you would do this: Doing it properly — Dependency array basics.

You are judged on these, and nothing else in the course:

  • Basic useEffect usage
  • Simple useEffect example
  • Dependency array basics

Going deeper

2 lessons · short section, not a full path on its own

1. Defining functions in useEffect

Define functions inside

Cosden Solutions · watch the original · 0:46

2. Mastering useEffect: What Goes In Dependency Arrays

Advanced dependency arrays

Jack Herrington · watch the original · 0:55

Check yourself

Four questions on this section. Wrong answers are the point: each one explains itself.

Now you explain it

Close what you watched and explain the topic in your own words in 30 seconds. What you can explain is what you have learned. You are marked against this course's lessons and nothing beyond them.

Explain how you would do this: Going deeper — Advanced dependency arrays.

You are judged on these, and nothing else in the course:

  • Define functions inside
  • Advanced dependency arrays