I got it, thanks)

Fixed, thanks for pointing that out

Reading the docs: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/replaceAll#browser_compatibility

Now it works fine, thanks. But how I was supposed to know that lol?)))

My solution passed all the tests, although it shouldn't have.
https://www.codewars.com/kata/reviews/5930214c40205d2795000037/groups/63dcb3f00779ad0001e4bcfa

Enabled Node v18, try again.

Because it requires a higher Node version.