konamy

gistfile1.txt

YUI.add("konami", function (Y) {
  Y.Event.define('konami', {
    on: function (node, sub, notifier) {
      var kkeys = [],
      konami = "38,38,40,40,37,39,37,39,66,65";

      Y.one(document).on('keydown', function(e) {
        kkeys.push( e.keyCode );
        if ( kkeys.toString().indexOf( konami ) >= 0 ){
          Y.one(document).detach('keydown', arguments.callee);
          notifier.fire();
        }
      });
    },

    detach: function (node, sub, notifier) {
      node.detach();
    }
  });
});