How to allow Chrome to access my camera on localhost?

Question

I cloned a project about real-time image processing on a web browser from this link: Then I could not allow my browser to access my camera. I got this javascript alert:

Answer 1

Got this problem for days, only this helped:

Reinstall Chrome by removing configuration as well. And try not to sync all the extensions, as they may interfere.

sudo apt-get purge google-chrome-stable
rm -rf ~/.config/google-chrome

Then install from official.