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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.
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I'm curious. Is the 'result[]=== "x"' function looking for the position of the elements in the array, and comparing it with the value or what is actually in the specific element in the array, and then returning result if the previous statement(result[]==='x') is true?