I even did this during a test running in a browser at school. Luckily it was possible to reopen it and nobody noticed. I've done this so many times that I have

I even did this during a test running in a browser at school. Luckily it was possible to reopen it and nobody noticed. I've done this so many times that I have some setup always running vim in the background in a tmux session only a keypress away. Super+Shift+v then type <leader>y and paste in the browser.