How do I cancel a setInterval in JavaScript?
You can cancel a setInterval using the clearInterval() function. You need to pass the interval ID to it.
Can you show me an example of how to use clearInterval?
Sure! First, you set an interval like this: let intervalId = setInterval(() => { console.log('Hello!'); }, 1000);
Then, to cancel it, you call clearInterval(intervalId);
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What happens if I don't clear the interval?
If you don't clear the interval, it will continue to run indefinitely, which can lead to performance issues.
Is there a way to stop it after a certain condition is met?
Yes! You can check a condition inside the interval function and call clearInterval when the condition is met.
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