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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.
OMG. I was trying the same thing but thought that such a character did not exist!
Check 'JavaScript Is Weird (EXTREME EDITION)' video on YouTube
There is no
undefined
as input. Maybe undefined is your function output? (no returned value)1 to 30 multiplied is, as number: 265252859812191058636308480000000. It has seven zeros at the end.