Oh. cmd != ctrl.
Here's the codes:
cmd = (was sadly not in the list...)
ctrl = 17
alt = 18
shift = 16
left/right windows key = 91 / 92
(source: https://www.freecodecamp.org/news/javascript-keycode-list-keypress-event-key-codes/ - but the site is crappy af)
This tool shows you the keycodes and other neat info, found it while looking for the table: https://www.toptal.com/developers/keycode