Konami code implementation

gistfile1.txt

(function ($) {
	var keys = [], code = '38,38,40,40,37,39,37,39,66,65';
    var konami = function (e) {
		keys.push(e.which);
		if (keys.length >= 11 && keys.slice(-11).toString() !== code) {
			keys = [];
			/* do your konami thing here */
		} else if (keys.length > 11) {
			keys.length = 11;
		}
	};
	$(document).on('keydown', konami);
}(jQuery));