React : useEffect() Hook in React/ReactJS

• What is useEffect() Hook

• When & How to use useEffect()

• How useEffect works with State & Props changes

• How to fetch data using useEffect

Timeline :

00:00 Introduction

00:24 What is useEffect() Hook

01:00 Counter example with lifecyles of class component

03:27 Counter example with Functional component

05:05 useEffect() hook defination

06:04 prevent useEffect to run on each render

06:55 UseEffect with State changes

10:18 UseEffect with Prop changes

14:15 Fetch data from service using useEffect