skortchmark9

async function screenCap(duration) {
	function _startScreenCapture() {
	    if (navigator.getDisplayMedia) {
	      return navigator.getDisplayMedia({video: true});
	    } else {
	      return navigator.mediaDevices.getUserMedia({video: {mediaSource: 'screen'}});
	    }
	}

	const stream = await _startScreenCapture();