I use a Vim extension in my browser which converts 'j' and 'k' into scroll keys. I've found that on many sites which employ the modal overlay and suppress scrol

I use a Vim extension in my browser which converts 'j' and 'k' into scroll keys. I've found that on many sites which employ the modal overlay and suppress scrolling I can still scroll around using these keys even when arrow keys and mouse scrolling don't work.