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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.
Mapping over the numbers and returning the number * 1 is totally pointless.
"Mine tries to bail out as early as possible from the 1st loop itself."
...nope. 'return', in both .map() and .filter() just return from the current iteration; the loop still continues.
Use a for() loop and 'break' to exit early.
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