It doesn't matter. Even if order of keys will be changed somewhere in the middle during JSON.strigify, as schema id will be always used keys sorted alphabetical

It doesn't matter. Even if order of keys will be changed somewhere in the middle during JSON.strigify, as schema id will be always used keys sorted alphabetically and object values are always stored in the same order as keys sorted: https://github.com/dogada/RJSON/blob/master/rjson.js#L213 https://github.com/dogada/RJSON/blob/master/rjson.js#L213