Opentok_Screenshare_WithAudio

  var videoConstraints = {};
       /* Width and Height optional but, framerate is a must to avoid blinking */
       /* videoConstraints.width = 1280;
        videoConstraints.height = 720;*/
        videoConstraints.frameRate = 25;
         var displayMediaStreamConstraints = {
                video: videoConstraints,
                audio: true
         };
        try {
          const displayMedia = await navigator.mediaDevices.getDisplayMedia(displayMediaStreamConstraints);
          alert(displayMedia.getAudioTracks().length);
          screenPublisher = OT.initPublisher('layoutContainer', {
            audioSource: displayMedia.getAudioTracks()[0],
            videoSource: displayMedia.getVideoTracks()[0],
            publishAudio: true,
            publishVideo: true,
            fitMode: 'contain',
            insertMode: 'append',
            width: 1920,
            height: 1080,
            audioFallbackEnabled: false,
          }, (error) => {
            if (error) {
              handleError(error);
              return;
            }

            OTSession.publish(screenPublisher, (err) => {
              if (err) {
                handleError(error);
                return;
              }
            })
          });
        } catch (error) {
          handleError(error);
        }