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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.
in js Boolean(" ") return TRUE and Boolean(undefined) return FALSE, if the condition throw a false condition the string will be a space string.
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Thank you for the suggestion. As this kata came out of beta more than 7 years ago, and the JavaScript version of it has been completed almost 11,000 times, it is unlikely to undergo any significant changes.