Loading collection data...
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.
It just requires a little bit of specific knowledge of JS, but not something that you'd normally use in 99% of code challenges. You could try Googling around for ways of doing what is required here
Maybe this should be a more advanced kata? I can usually understand the level 5 kata challenges - solving them is a different issue. This kata, however, I don't understand after looking at the solution. What should I search for to understand the solution and the concepts involved?
6 characters req.
This comment is hidden because it contains spoiler information about the solution
I second @WangHW 's suggestion.
Would be helpful if there was more than one test.
It's confusing that run tests shows all tests passed, then submit shows test failed.