Javascript setInterval not working

A lot of other answers are focusing on a pattern that does work, but their explanations aren’t really very thorough as to why your current code doesn’t work. Your code, for reference: Let’s break this up into chunks. Your function funcName is fine. Note that when you call funcName (in other words, you run it) you will be alerting “test”. … Read more

How to create an accurate timer in javascript?

Why is it not accurate? Because you are using setTimeout() or setInterval(). They cannot be trusted, there are no accuracy guarantees for them. They are allowed to lag arbitrarily, and they do not keep a constant pace but tend to drift (as you have observed). How can I create an accurate timer? Use the Date object instead to get the (millisecond-)accurate, current time. Then base … Read more