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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.
python sounds like black magic sometimes
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got it, thank you!
My "sandwich" is longer. Shorter code is smarter code. Good job.
Because these are no valid JavaScript functions. An array instance does not have a property
isArray. It is a method on the Array class. Please read the MDN docs.This comment is hidden because it contains spoiler information about the solution
Blasphemy
why Array.isArray( arr ) ? whats mean Array.isArray if we have arr?
why i cant write (!arr.isArray) return 'It's a fake array' ?
Can someone answer pls :(
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This is how you start hating beer.