konami.gradius.js

(function($) {
  return $.fn.konami = function(callback, code) {
    if (code == null) {
      code = "38,38,40,40,37,39,37,39,66,65";
    }
    return this.each(function() {
      var kkeys;
      kkeys = [];
      return $(this).bind('keydown', function(e) {
        kkeys.push(e.keyCode);
        if (kkeys.toString().indexOf(code) >= 0) {
          $(this).unbind("keydown");
          callback(e);
        }
        return true;
      });
    });
  };
})(jQuery);

$(document).ready(function() {
  var $iframe, $overlay;
  $overlay = $('<div id="overlay" style="background-color: #fff; z-index: 10000; display: none; position: absolute; left: 50%; margin-left: -297px; top: 10%"></div>');
  $iframe = $('<iframe width="560" height="384" frameborder="0" marginwidth="0" margin="0" height="0" scrolling="no" allowfullscreen></iframe>');
  $overlay.append($iframe);
  $('body').prepend($overlay);
  return $(window).konami(function() {
    var src;
    src = 'https://archive.org/embed/arcade_pc_grdus';
    $iframe.attr('src', src);
    return $overlay.show();
  });
});

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// generated by coffee-script 1.9.2