Kod Konami - CSS-Tricks

var kkeys = (), konami = "38,38,40,40,37,39,37,39,66,65"; $(document).keydown(function(e) ( kkeys.push( e.keyCode ); if ( kkeys.toString().indexOf( konami ) >= 0 ) ( $(document).unbind('keydown',arguments.callee); // do something awesome $("body").addClass("konami"); ) ));