If it is "just JavaScript", why the lack of comments ?
(Sadly, Crockford's post about this reasoning was on Google Plus and is no longer online.)
{copyright comment : "JSON doesn't require/enforce specific comments is a good thing" }
{comments : "JSON parser is not an 'comment' editor! }
Don't know whtat the google plus article covered, but Crockfor's comments : https://www.linkedin.com/posts/douglas-crockford-724600109_j...
Why comment on a format vs. adding an associated "key""format" with format information. aka date : 25.02.04 date-fmt : YY.DD.MM