konami code js

caller.js

  $(window).konami(function(){
    $(".goku").show();
    $(".goku").delay(2000).fadeOut();
  });

konami.js

(function($) {

  $.fn.konami = function(callback, code) {
    if(code == undefined) code = "38,38,40,40,37,39,37,39,66,65";

    return this.each(function() {
      var kkeys = [];
      $(this).keydown(function(e){
        kkeys.push( e.keyCode );
        if ( kkeys.toString().indexOf( code ) >= 0 ){
          $(this).unbind('keydown', arguments.callee);
          callback(e);
        }
      });
    });
  }

})(jQuery);