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.
If an element is not in a string / array,
.indexOf(element)
returns -1.what's the point of "-1"? could anyone tell me?
oh yes i missed that. thank you!
wow, a 1kyu haha legend. Thx dude.
It's not necessary.
This comment is hidden because it contains spoiler information about the solution
Almost spit my tea - good one though funny