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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.
There's nothing really clever about it, and you can't really even say it's best practice (at least anymore) since it uses ES5... there's nothing wrong with it not escaping special chars tho since it's word matching, not just string matching
How is this both clever and a best practice?