Loading collection data...
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.
Check your logic for what it returns when you find no matches -- should be empty array. Looks like it somehow returns the input string instead. Also this being one of the few cases where input string is 2 letters (and not single letter) be mindful how you capitalize it ("No" != "NO").
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Thank for clarifying!! Was pulling my hair out about this!