hard kata

p.s. but i find solution

Thanks! Really useful article. It helped to undestand.

https://habr.com/ru/post/124395/ - this help me

Could you please provide a hint about the logic in this case?

I don't understand. on what principle to convert.
example :
convert("hello", Alphabet.ALPHA_LOWER, Alphabet.HEXA_DECIMAL); // should return "320048"
how from h --7 character Alphabet.ALPHA_LOWER , it turned out 4 character Alphabet.HEXA_DECIMAL ----3?? what are the rules/principles?

p.s. 4 days later. i'm crying , because i did it. thanks BattleRattle -- kata is beautifull!!!!

/

kata like shit

nice! but /
console.log(prefill('3',0)); // [0]