setCapture deprecated

[PexMor]

JS setCapture()

The setCapture is deprecated in Firefox at least.

Firefox in console gives hint:

Element.setCapture() is deprecated. Use Element.setPointerCapture() instead.
For more help https://developer.mozilla.org/docs/Web/API/Element/setPointerCapture events.js:66:15
Document.releaseCapture() is deprecated. Use Element.releasePointerCapture() instead.
For more help https://developer.mozilla.org/docs/Web/API/Element/releasePointerCapture

To Reproduce

Open noVNC client in Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:94.0) Gecko/20100101 Firefox/94.0 browser.

Expected behavior

The replacement functions are called and Firefox does not complain.

Client (please complete the following information):

• OS: MacOS BigSur
• Browser: Firefox
• Browser version: 94

Server (please complete the following information):

• noVNC version: 1.3.0
• VNC server: QEMU
• WebSocket proxy: websockify

[samhed]

👍
Microsoft Edge on Windows 10 also complains in a similar way.