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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.
one question. I was looking about the join and best practices. But I have not found any info.
Why is not a best practice the use of join? do you have a link or a little explanation about that, pls :)
This comment is hidden because it contains spoiler information about the solution
This comment is hidden because it contains spoiler information about the solution
Sorry for my lack of JS knowledge, but I do not believe that you are actually returning anything. The only return statement I see is in the checkSums function, which would return it to the bothSums function. You are never returning from the main function.
Also, you've done something really strange with nesting the functions like that. I don't know if it is normal, or allowed in JS, but I have never seen it. You should probably consider calling one of your functions from the findEvenIndex function and closing out the first function.
Like I said, I'm no expert on JS, but both of those things seem very strange to me.
Also, please do not mark Katas as having issues unless you are positive it is an issue with the kata. This should have been marked as a question.