Copy Button don't work on Firefox

[Gamer226]

Copy button works fine on chrome, but does nothing and gives error on Firefox.

video.mp4

[TheOriginalAyaka]

Hi there, thanks for reporting this issue, I have checked and it seems that Firefox is not fully compatible with the clipboard API (https://developer.mozilla.org/en-US/docs/Web/API/ClipboardItem).
I'll look for an alternate solution.

[12beesinatrenchcoat]

Copying to image exists in Firefox, but is currently held behind a flag.
If you really want to, go to about:config and set the flag dom.events.asyncClipboard.clipboardItem to true.

In the interim, it might be nice to have a little notice saying if copying was successful or not.

(It does seem Firefox supports the old, deprecated way of copying stuff through Document.execCommand()? I'll look into it, if you don't mind.) I couldn't get this to work. (^^;)