有太多的setTimeout()好吗?

I'm using mostly Javascript on my scripting. I have some scripts which do several tasks every 1 second, and some every 0.02 seconds, etc. My intervals do tasks like checking of ifs, doing some innerHTML, little animation, etc. Now I have 4, but I think it would increase in the future; maybe I'll control myself to less than 10. Though it doesn't lag at all in my computer.I'm using mostly Javascript on my scripting. I