I don't think it's a browser issue. For some reason, it's displayed as 109 in a trainer URL (kata/abcd/train/your_language), but as 10⁹ in the main kata page (kata/abcd/). It goes back to 10⁹ if you select another language while in the trainer (probably because the markdown gets re-parsed in case there are conditional code blocks etc.). This happens to me on both Firefox and Chromium. Perhaps using pure Markdown like `$10^9$` would work better

Yes, I see it as 10 to the power of 9 in Chrome. If you inspect the code, it's written as 10<sup>9</sup> Maybe the problem is it's also inside some <code>tags and Edge can't process that?

3 < n < 10⁹

1e9 and 10⁹ are equivalent.

Values will always be >= 1.

Yes, but with meaningful method and parameter names like race, v1, v2 and g and no tests covering int overflows I personally wouldn't expect foolproof solutions here. ;-)

No answer so I consider the issue as resolved.

Sorry but I don't understand your problem. I just tried a few solutions (yours included) and they work. I don't see any "Reserved word 'function' used as name" The tests have the same form as my other TS translations that you passed. Why is static problematic? You said that the code doesn't compile but you passed.
Please could you be more precise?

It's supposed to be confusing. That's what test writing is for. It's not meant to be "funny". Thanks for the feedback.