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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.
The name is
repeatStr. It's called arrow function expression. It's missingconstorlettho.how does it work with no function name initializated ?
Not sure why this was marked as 'best partices'. Regex is quite slow and shouldn't be used for such easy tasks.
nice one!
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