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The setInterval() method calls a function at specified intervals (in milliseconds). The setInterval() method continues calling the function until clearInterval() is called, or the window is closed. 1 second = 1000 milliseconds.
The clearInterval() method clears a timer set with the setInterval() method.
Clearing setInterval in React To stop an interval, you can use the clearInterval() method. ... useEffect(() => { const interval = setInterval(() => { setSeconds(seconds => seconds + 1); }, 1000); return () => clearInterval(interval); }, []); ...
Yes you can. You can even test it:
var i = 0;
var timer = setInterval(function() {
console.log(++i);
if (i === 5) clearInterval(timer);
console.log('post-interval'); //this will still run after clearing
}, 200);In this example, this timer clears when i reaches 5.
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