semanticentity

javascript:(async function(){
  if(!navigator.mediaDevices||!navigator.mediaDevices.getDisplayMedia){
    alert("Screen recording not supported");
    return;
  }

  var filename = prompt("Make sure you are in a tab other than the one you are recording.\nEnter filename (no extension):","lewm-recording");
  if(!filename) filename = "lewm-recording";

  alert("Select a TAB and check 'Share tab audio' in the popup. For audio, do NOT chose full screen or window.");