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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.
Very interesting, I have no idea how this could possibly be true.. I will have to investigate. :)
Thanks!
How is this voted up for the best practice?
It's nice to read and very short, let's even say "clever", but, it makes you go through the array multiple times - every time you run indexOf().
Very inefficient.