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Collections are a way for you to organize kata so that you can create your own training routines. Every collection you create is public and automatically sharable with other warriors. After you have added a few kata to a collection you and others can train on the kata contained within the collection.
Get started now by creating a new collection.
nice! you could have also just ran .reduce directly on the spread operators without having to create the 'arr' variable for that good ol' codewards one-liner :P
i think he was being sarcastic lol.
I think you're making harder than it needs to be. Do a little bit of research on mathematical operators in regards to JS.
I think you're making harder than it needs to be. Do a little bit of research on mathematical operators in regards to JS.