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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.
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I want to know what the last code in the while loop does?
c = c > 9
The reason is that when runing the code " Array.isArray(el) ? el.sameStructureAs(other[i]) : true;",if el isn;t a array, it will return true ignoring the case whether the item in array "other" is the same type or not.
console.log([1,1].sameStructureAs([1,[]]));
//true
interesting
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