6. useEffect in react - useEffect all interview question in Hindi | React js interview questions
In this video I will teach you about useEffect hook in react js. below are the chapters that we will cover -
Chapters -
00:00 - Introduction
01:02 - why useEffect ?
01:53 - useEffect for registering an event listener
06:50 - useEffect for cleanup (remove event listener)
13:26 - useEffect with setInterval & infinite loop
19:56 - useEffect with dependency array
24:16 - useEffect for async code (data fetching)
28:54 - useEffect as a callback
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