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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.
This comment is hidden because it contains spoiler information about the solution
This comment is hidden because it contains spoiler information about the solution
The "solution" is based on "implementation-defined" Array.prototype.sort behaviour. Check ecma-262 if you don't believe me, especially the part which defines "consistent comparison function". It's wrong on semantic level and basically useless as part of any training.