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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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OP solved it, closing
If an element is not in a string / array,
.indexOf(element)returns -1.what's the point of "-1"? could anyone tell me?
how have u come up with this? it is brilliant
i am wracking my brains over it and can't seem to get it, could anyone explain this to me?
the task was hard as well but the solution is way harder
thank you man! i am grateful to u
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полностью согласен, вообще непонятно, как оно делится на 2
i understand but what it will show?
This comment is hidden because it contains spoiler information about the solution
This comment is hidden because it contains spoiler information about the solution