Javascript never fails to surprise. The good/bad news is there is more than one solution!

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There is something wrong with the test cases, all the visible test cases are green but the random ones all expect 0 as output !!!
Please fix.

Thank you for this awesome kata. I've always wanted to know how dependency injection works but I was too lazy to do something to do it, but this kata forced me to 'reimplement' it. Keep it up!

I like the website so much and I have some suggestions that i reckon will make it even more awesome.

• Update the environment : for example node.js is few major versions behind, many ES2015 features are not supported by the old version of Babel, and lodash is 2 major versions behind
• Keep the history of Score/Rank. By doing that, developers are not only able to save their hard work, it would make it so much easier to use codewars profiles as part of their resumes.
• Expand the leaderboard to show more people(or even all the people) so that competition raises for more developers.

Yeah you're probably right i shouldn't have filed it as an issue.
It's my first suggestion.
I just wanted to point out to this edge case which is to be considered in more serious situations.
Thank you for your reply anyway.

it's 2 major releases behind now :(