Webcam Access - webcam.js

I did some reading up on webcam.js, and what you're describing appears to be a browser issue. I am by no means an expert on webcam,js, but I found some resources which might be helpful.

The first link is from the Github maintained by the creator of webcam.js. I'm linking to the section on troubleshooting steps below, and it will provide you with steps you can take to test whether there is browser compatibility with your webcam:

webcam.js troublehooting

If you're using Chrome, here's a page from Stack Overflow which troubleshoots issues there:

webcam.js cannot access webcam in Chrome