function toggleFullScreen() {
  /* Convenient renames */
  var docElem = document.documentElement;
  var doc = document;

  docElem.requestFullscreen =
      docElem.requestFullscreen ||
      docElem.msRequestFullscreen ||
      docElem.mozRequestFullScreen ||
      docElem.webkitRequestFullscreen.bind(docElem, Element.ALLOW_KEYBOARD_INPUT);

  doc.exitFullscreen =
      doc.exitFullscreen ||
      doc.msExitFullscreen ||
      doc.mozCancelFullScreen ||
      doc.webkitExitFullscreen;

  isFullScreen() ? doc.exitFullscreen() : docElem.requestFullscreen();
}
function toggleFullScreen() {
  
  var docElem = document.documentElement;
  var doc = document;

  docElem.requestFullscreen =
      docElem.requestFullscreen ||
      docElem.msRequestFullscreen ||
      docElem.mozRequestFullScreen ||
      docElem.webkitRequestFullscreen.bind(docElem, Element.ALLOW_KEYBOARD_INPUT);

  doc.exitFullscreen =
      doc.exitFullscreen ||
      doc.msExitFullscreen ||
      doc.mozCancelFullScreen ||
      doc.webkitExitFullscreen;

  isFullScreen() ? doc.exitFullscreen() : docElem.requestFullscreen();
}
function toggleFullScreen ( ) { /* Convenient renames */ var docElem = document . documentElement ; var doc = document ; docElem . requestFullscreen = docElem . requestFullscreen || docElem . msRequestFullscreen || docElem . mozRequestFullScreen || docElem . webkitRequestFullscreen . bind ( docElem , Element . ALLOW_KEYBOARD_INPUT ) ; doc . exitFullscreen = doc . exitFullscreen || doc . msExitFullscreen || doc . mozCancelFullScreen || doc . webkitExitFullscreen ; isFullScreen ( ) ? doc . exitFullscreen ( ) : docElem . requestFullscreen ( ) ; }
Toggle fullScreen mode on document element.
Works on chrome (>= 15), firefox (>= 9), ie (>= 11), opera(>= 12.1), safari (>= 5).
Toggle fullScreen mode on document element . Works on chrome ( > = 15 ) firefox ( > = 9 ) ie ( > = 11 ) opera ( > = 12 . 1 ) safari ( > = 5 ) .