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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.
ECMAScript specs does not mandate sorting to be stable, so you shouldn't assume so.
Your code returns the wrong result in repl.it too. Try without using
sort"xehgsuxkxtjxubdhhoumfthhaairdtdbrbjerueh"occurs ealier than"aibeakbmszxprddkaqvhqzbpiraxkybjozgiissk". Your code is wrong.Agreed.