Geekprank shortcut for double monitors

<!DOCTYPE html>
<html>

  <head>
    <script data-require="jquery@*" data-semver="3.1.1" src="https://ajax.googleapis.com/ajax/libs/jquery/3.1.1/jquery.min.js"></script>
    <link rel="stylesheet" href="style.css" />
    <script src="script.js"></script>
  </head>

  <body>
    <div class="instructions">
      Click anywhere, then move the new window that appears and hit F11 on it.<br />
      You might have to alt-tab a couple of times to get toolbars to disappear.
    </div>
  </body>

</html>

// Code goes here

function openPrankWindow() {
  window.open("http://geekprank.com/win10-update/");
}

function getreqfullscreen(){
    var root = document.documentElement
    return root.requestFullscreen || root.webkitRequestFullscreen || root.mozRequestFullScreen || root.msRequestFullscreen
}
var alreadyRun = false,
    globalreqfullscreen = getreqfullscreen() // get supported version of requestFullscreen()

document.addEventListener('click', function(e){
  if(!alreadyRun) {
    $('.instructions').hide();
    var target = e.target
    globalreqfullscreen.call(target)
    setTimeout(openPrankWindow(), 2000);
  }
  alreadyRun = true;
}, false)

/* Styles go here */

* {
  cursor: none;
  background-color: #000000;
}

.canFullScreen {
  width: 100%;
  height: 100%;
}

.instructions {
  color: white;
  text-align: center;
  font-family: sans-serif;
}

Hit F-11 on each tab, each on its own monitor.