Does this help? https://stackoverflow.com/questions/3368837/list-every-font-a-users-browser-can-display/3368855#3368855
– Jun 16 '20 at 09:31
Look at this [answer](https://stackoverflow.com/a/62399430/10732434). It uses `document.fonts.entries()` to look up the fonts.
– sanitizedUserJun 16 '20 at 09:32