https://www.codewars.com/kata/reviews/65e5efa97b199100017cd19d/groups/65e609081886bf0001629883

Hi,

• this is definitely a duplicate. Iterators have been done. Fibs have been done as well.
• the sample tests should be present in the full test suite
• not enough fixed tests
• the only fixed tests is asking for a non fibonacci sequence, but a fibonacci-like one...
• negative numbers shouldn't be used if not said in the description
• if the output is a big integer, the inputs also should
• not enough random tests (one single generator is tested)

Instead of fixing all this, I strongly suggest you just unpublish it.

Cheers

I only now see the tags you added: linear order, basic data structures, algorithms, micro-optimization. However, most of them are custom tags. I suggest you also add performance tag. I would also add micro-optimisation in the title or in the description section. And make sure to explain in detail the excepted performance criteria (like you did in the comments).

Regex validation is not a novel idea.

JavaScript looks like a mistake (everything is written in Java).