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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.
how?
best solution
why is this an object oriented kata?
join() join up the array elements in a string, and parseInt() convert the array in decimal,the second value 2 in the method represent the decimal number system
finally i get the shorter solution at first time!!! lets fucking goooooooooooooooooooooooooo