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.
I agree, the default/return should be set as string "invalid value".
Thank you for this explanation. I am realive new to javascript and I was confusused.
I agree with other people. The description could be more specific