title tag fun

jQuery(document).ready(function($) {
  /**
  * Title tag fun
  */
  var message = "Come back for more! 🎉";
  var original;
  $(window).focus(function() {
    if (original) {
      document.title = original;
    }
    }).blur(function() {
      var title = $('title').text();
      if (title != message) {
        original = title;
      }
    document.title = message;
  });
});