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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.
Agree.
Remove the else and just return the else value, since the if condition returns if hit.
Also, pairing an arrow function with a ternary will allow you to return the value directly and keep it even more concise