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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.
Wow, floating point arithmetic in JS messed me up on this one! Thanks for the challenge, learned a lot!
Try logging your stack to the console. Your code has a bug.
Rewrote so that methods were defined on prototype