How to make a timer before the file download starts?

Question

JavaScript

You need to make a countdown timer and when its value approaches 0, the download starts (like on this site https://howdyho.net/windows-software/wise-force-de... (try to download something there and you will understand what am I talking about) )

Answer 1

https://learn.javascript.ru/settimeout-setinterval
setTimeout on the function showing the download link, setinterval - on the function displaying "remaining ... seconds"