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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.
Oh I see it now! thank you so much!
It's not even a method, just a function.
If you are new to programming I guess it's recursion that confuses you in this example.
Notice the remove function in the body is the same one that's defined with the function keyword on line 1.
I am new to programming, anywere I can read about the remove() method? there is nothing about it on MDN or w3schools. Maybe its not a javascript specific method?
I think he thinks
n>0is a safety check to make sure the argument passed isn't 0 or negative. I don't think he realizes it's effectively the break condition of a while loop.