But I'll never understand who thought this asynchronous API was a good idea.

I just wanted to draw pictures in a canvas _in order_, because they should overlap. A common task you could mean. I ended up building a monadic builder for callback chains, that creates a javascript string that is evaled. I felt like this language and the api was incredibly cumbersome, minimalistic and limited. It lacks a blocking api, monad support, dsl support, macros and lazy evalution.

But mayme there is a simple solution to that, that I'm not aware of.