I really would love trailing comma support as well...

# language-proposals

[kevinmost]

I really would love trailing comma support as well. If you have a chopped-down list and you can copy-paste lines from anywhere to anywhere else without worrying about punctuation, it really speeds up your workflow. It's probably under a second saved, yes, but that adds up over time. I couldn't care less about the brain-dead diff tools, as you said, but it's really useful for moving elements in collections