I am working on a music program that requires multiple JavaScript elements to be in sync with another. I’ve been using setInterval, which works really well initially. However, over time the elements gradually become out of sync which is bad in a music program. I’ve read online that setTimeout is more accurate, and you can … Read more
To keep the promise chain going, you can’t use setTimeout() the way you did because you aren’t returning a promise from the .then() handler – you’re returning it from the setTimeout() callback which does you no good. Instead, you can make a simple little delay function like this: And, then use it like this: Here … Read more
Your sleep function does not work because setTimeout does not (yet?) return a promise that could be awaited. You will need to promisify it manually: Btw, to slow down your loop you probably don’t want to use a sleep function that takes a callback and defers it like this. I recommend: which lets the computation of parents take at least 5 seconds.
I see 4 issues with your code: In your timer method you are always setting your current count to 10 You try to update the state in render method You do not use setState method to actually change the state You are not storing your intervalId in the state Let’s try to fix that: This would result … Read more