It's 2022, I just want to make a website that runs everywhere.
some input boxes| some video| some whoosh
- Firefox will render stuff wrong
- Safari will render stuff wrong and something will break
There are some dark corners where there are still differences but these are not in the "I just want to build a website"-level of complexity IME, and are more in the "I am building a large XXX,XXX lines-of-code enterprise SPA used for hours at a time for thousands of users as their primary job across varied OS and browser combinations" level of complexity. E.g. I recently had to debug how different browsers handle cookie eviction for more than 100 cookies under the same top-level domain. This is not the sort of issue you you face with a "I just want to build a website" problem.
Not just dark corners IMO.
> [2,1,3].sort((a,b) => a < b)
FF:
Array(3) [ 3, 2, 1 ]
[ 2, 1, 3 ]
You can even reduce the reproduction to `[1,2].sort((a,b) => 1)`. Have fun..!