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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.
SO did this actually work for you because this was my exact approach and it returns undefined?
This comment is hidden because it contains spoiler information about the solution
use MORSE_CODE['....'],it will return 'H'
Sorry, I thought this comment was for my another kata, so I answered unadequately. Mea culpa.
Also, thanks for finding a bug in the wording - it should be "extra spaces handling", not "extra zero handling". For some technical reason I can't edit the Test Cases any more (simply can't type in that window), @jhoffner, could you please make this replacement for me?
So, @Rohan.ag, the problem is about some extra spaces at the beginning and the end of the input - it is mentioned in the kata description, check it.
As for knowing the input, it's very simple - just print it. :) But not that console output here on CodeWars is HTML, so remember to wrap everything you print in <pre> tag to not miss anything important like extra spaces. :)
The JavaScript version could include instructions on how to access the morse code library.