JQuery Konami Code

konami_code

var kkeys = [], kcode = "38,38,40,40,37,39,37,39,66,65";
$('body').on('keydown', function(e) {
	kkeys.push(e.keyCode);
	if(kkeys.toString().indexOf(kcode) >= 0) {
		$(document).unbind('keydown', arguments.callee);
		$("body").addClass('konami');
	}
});