Good to know there is a built-in fcn for checking for integers.

I think a best practice is to always use a Named function instead of an Arrow function for easy error location and handling.

do you still the parameter if you dont need to use when using a arrow function ?

oh, ok. thanks for answering

For fun.

why replace function with a constant?

Very nice!

arrow function ate

Да, интересно в чем проблема

The difference is trivial.

Same with me, gave the try reading https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Functions/Arrow_functions , but still can't nail it hehe 🤣.

Next time will be!

wtf
Тесты это решение не проходит, но attempt прошел успешно