Function isFullScreen

resources/script.js:82–87

* Determines whether or not we are currently in full screen mode

()

 * Determines whether or not we are currently in full screen mode
 */
function isFullScreen() {
  return document.fullscreenElement ||
         document.mozFullScreenElement ||
         document.webkitFullscreenElement ||
         document.msFullscreenElement;
}

/**
 * Toggle fullScreen mode on document element.