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.
Don't use a
for...inloop.You can read why here
EDIT:
Also, you can format code by using three backticks: ```. It makes it much easier to read.
Post your code, mark the post as having spoiler content. Probably the problem is in your code given 3399 other warriors passed this kata in javascript.