navigator.getUserMedia is now deprecated and is replaced by navigator.mediaDevices.getUserMedia. To fix this bug replace all versions of navigator.getUserMedia with navigator.mediaDevices.getUserMedia
The video eventListener for play fires up too early on low-end machines, before the video is fully loaded, which causes errors to pop up from the Face API and terminates the script (tested on Debian [Firefox] and Windows [Chrome, Firefox]). Replaced by playing event, which fires up when the media has enough data to start playing.
use Live Server with VSCode.
how to install LiveServer in vscode?
Launch VS Code Quick Open (Ctrl+P), paste the following command, and press enter.
ext install ritwickdey.LiveServer
Open a HTML file and right-click on the editor and click on Open with Live Server.
or Hit (alt+L, alt+O) to Open the Server and (alt+L, alt+C) to Stop the server (You can change the shortcut form keybinding). [On MAC, cmd+L, cmd+O and cmd+L, cmd+C]
see here for more info