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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.
JS issues are caused by the tests. In JS arrays are not == unless they are two references to the same array in memory. Two arrays, even with the same primative values will return false when compared with one another.
JS is solvable. Please raise your problem as a
question.This comment is hidden because it contains spoiler information about the solution
Id assume we are looking at the last index value, so 7's index of 4 is before the second 5's index of 5