I would say the nice thing here is the type system. I always use `null` to differentiate between an empty list or string and nothing. I like when I have a typ

I would say the nice thing here is the type system. I always use `null` to differentiate between an empty list or string and nothing. I like when I have a type system that ensures I check for null etc. But I only work on very small projects so this works well in js for me as well.