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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.
I believe it's got whitespace before / after the string... Knowing this allowed me to solve it.
The 1.2.3.4 example in javascript is tested multiple times, in one example 1.2.3.4 is true and in the other examples 1.2.3.4 is neither true nor false