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by weberc2 3281 days ago
JavaScript doesn't (didn't?) let you put a trailing comma in function parameter lists, annoyingly.
1 comments
Arnavion 3280 days ago
Made legal in ES2017.
link
teddyh 3270 days ago
But not in JSON, since that is based on ECMA-262 3rd Edition from December 1999.
link