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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.
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Means the accumulator starts at 0.
This comment is hidden because it contains spoiler information about the solution
From my point of view the kata is not properly explained. Why I had to return an empty string when the argument contained not letters. According to the problem statement if the string passed as argument contained anything different to letter we had to ignore it and return nothing, but at least in my case I had to include the return '' statement to pass the tests.
From my point of view the kata is not properly explained. Why I had to return an empty string when the argument contained not letters. According to the problem statement if the string passed as argument contained anything different to letter we had to ignore it and return nothing, but at least in my case I had to include the return '' statement to pass the tests.
From my point of view the kata is not properly explained. Why I had to return an empty string when the argument contained not letters. According to the problem statement if the string passed as argument contained anything different to letter we had to ignore it and return nothing, but at least in my case I had to include the return '' statement to pass the tests.
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/Reduce#Syntax
What does the , 0 means inside the .reduce method???
What this simbol means matte?
O(n^2)
Great use of
(lower.split(letter).length - 1) > 1
very inteligent
very inteligent the use of
(lower.split(letter).length - 1) > 1
great¡¡¡
Where can I find that arithmetic book or source of info matte?
Great solution, easy an readable for everyone!
Great solution, easy an readable for everyone!
Great solution, easy an readable for everyone!
Great solution, easy an readable for everyone!
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