Isn't that mostly an artifact of deeply nested callbacks? With promises, generators, and what not I've been seeing a lot of new Javascript going back to 4. Is t

Isn't that mostly an artifact of deeply nested callbacks? With promises, generators, and what not I've been seeing a lot of new Javascript going back to 4. Is there a pragmatic reason for 2 going forward? I realize it's mostly trivial but I have a much easier time visually parsing 4 vs 2. I also sort've appreciate that it pressures me to reduce indentation.