What js framework is jitsi web use?

what js framework is jitsi web page use ?
e.g. the lib-jitsi-meet.min

We want to customized a GUI so I am reading the lib-jitsi-meet.min.js code.

lib-jitsi-meet is the lower level library, it doesn’t implement any UI and it’s basically vanilla JS.

Jitsi Meet OTOH is the actual UI and it’s built using React.

thanks for reply!!

I am running the example.js in project lib-jitsi-meet.

I have start two connection to the index.js with example.js but only see one Video screen (I expect to see two) is it normaly ?