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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, nice and elegant aproach, but you should use '===' instead of '==' to compare left and right as we intend to compare their numerical value so including type aswell ( in your case "false" would be equal to "0" etc ), and I personally am not a fan of using vars ( "let" and "const" would be more elegant )