My application generates a video file using the MediaRecorder api, of type video/webm.

I'm trying to copy this file to the clipboard by:

const item = new ClipboardItem({['video/webm']: blob});
await navigator.clipboard.write([item]);

However I get the following error:

ERROR DOMException: Type video/webm not supported on write.

What MIME types are supported for clipboard.write? Is there any video MIME type supported?

On Safari (Webkit), there are four supported: https://webkit.org/blog/10855/async-clipboard-api/

• "text/plain"
• "text/html"
• "text/uri-list"
• "image/png"