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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.
.replace is 3 to 15 times faster (Chrome). Just tested.
How does this solution compare performance-wise to a simple
.replace? I would imagine turning a long sequence into an array and back into a string a costly operation.This comment is hidden because it contains spoiler information about the solution