The usual curse of syntax extensions is that they make a few good things and then a pile of bikeshedded nonsense in the same payload. These two sets differ from

The usual curse of syntax extensions is that they make a few good things and then a pile of bikeshedded nonsense in the same payload. These two sets differ from person to person, of course. Dedent and object globs are useful imo and should be added to javascript. Maybe for-of with index too. Also, I see no flow control in array literals, how do they plan to appeal to jsx/h users?