How to build a Stopwatch in React 🔥 | React JS Interview 

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Shouldn't we use useRef for storing now as we are not going to rerender the UI for it ?

When u stopped the watch at 2 sec and if I want to let's continue from 2 sec then what to do sir?

Thanks please keep making more interview videos like these

When i create stopwatch but with different condition so how to should i go i stuck at that point please guide me how i build my logic

const handleStart = () => { setTime(Date.now()); setNow(Date.now()); clearInterval(intervalRef.current); // Edge case: clearing the previous Intervals, intervalRef.current = setInterval(() => { setTime(Date.now()); }, 10); return () => clearInterval(intervalRef.current); }; Like whenever we click restart button more than one time it doesn't stop when i click on the stop So to overcome this clearing timeInterval before creating a new one would result in more proper implementation

Make more videos on these type of interview questions

Me learning React

Nicely explained 🙂

Awesome Sir