On: Node.js and the new web front-end

[ilaksh]

I am not sure. I think that descriptive identifiers can indicate the type and be augmented by documentation.

[lmm → ilaksh]

They can. But both tend to get out of date as a codebase develops. It's very useful to have an automated tool that ensures the documentation lines up with the actual code - i.e. a type checker.