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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.
why are !! required, if they are not present wouldnt they evaluate to true or false either way ?
This comment is hidden because it contains spoiler information about the solution
because of the break, break exits the for loop, and it runs on the third iteration, on the value 4.
what is the + in +word.match(reg) doing here ? match should return an array with many items ? does it convert the first element to a number ?
this solution is comparing strings, not numbers