Loading collection data...
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.
Pretty sure he isn't asking for a technical solution Baronf, he's pointing out the behaviour is undefined based on the description. You pointing out you can return an alternate value using an if-statement is not useful when the expected value for the empty array is not defined in the specification. Should it be NaN? 0? null/None?
I guess it should be replaced with "parenthesis".
It means brackets, more specifically these ones ==> ()
"Parenthese" isn't a word.