What is setInterval in JavaScript?

What is setInterval in JavaScript?

setInterval is a JavaScript function that repeatedly calls a function or executes a code snippet at specified intervals.

Can you give me an example of how to use setInterval?

Sure! Here's a simple example:

setInterval(() => {
    console.log('This message is displayed every 2 seconds.');
}, 2000);

How do I stop a setInterval?

You can stop a setInterval by using the clearInterval function, passing in the interval ID returned by setInterval.

What happens if I don't clear it?

If you don't clear it, the function will continue to execute at the specified intervals, which can lead to performance issues.