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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.
What is clever about this? Horrible to read, in this case, its more effective to just store all characters in one variable and loop them.
Checking by charCode is clever. Didn't come to mind that quickly, that I could use this.