No answer after a week, vague issue, kata works fine in C++, closing.

JavaScript Completions 23687

Please, improve your code, and read the note about performance.

this kata deserve to be deleted !
its attempt in js is irrelevant after all optimization it gives run out- its written that it might do this but still you cant know in attemp if the code is right!
didnt like it

this answer does not work for the null string - you can have to check if the value is not null