What are some common mistakes when using timers in JavaScript?

What are some common mistakes when using timers in JavaScript?

Some common mistakes include not clearing timers, using incorrect delay values, and misunderstanding the execution context.

Can you explain why it's important to clear timers?

Clearing timers is crucial to prevent memory leaks and ensure that your code doesn't execute functions unexpectedly.

What happens if I forget to clear a timer?

If you forget to clear a timer, the function may continue to execute even after it's no longer needed, leading to performance issues.

Are there best practices for using timers?

Yes, always use clearTimeout or clearInterval, keep track of your timers, and avoid nesting timers whenever possible.