If you haven't checked yet, you'll notice:
Uncaught ReferenceError: TouchEvent is not defined
https://developer.mozilla.org/en-US/docs/Web/API/TouchEvent#...If you haven't checked yet, you'll notice:
Uncaught ReferenceError: TouchEvent is not defined
https://developer.mozilla.org/en-US/docs/Web/API/TouchEvent#...
Yep, that’s exactly the issue! I’ve fixed it so it no longer throws the TouchEvent error in Firefox. Thanks for flagging it.