Konami Code

ng-konami.js

/* up, up, down, down, left, right, left, right, b, a  */

myapp.directive("konami", function () {
	return {
		restrict: "AEC",
		controller: function ($scope) {
			$scope.unleashTheUnicorns = function () {
				...
			}
		},
		link: function (scope, element, attrs) {
			
			var kon_index = 0,
			kon_keys = [38, 38, 40, 40, 37, 39, 37, 39, 66, 65];
			
			$(document).keydown(function(e){
				if (e.keyCode === kon_keys[kon_index++]) {
					console.log(e.keyCode);
					if (kon_index === kon_keys.length) {
						scope.unleashTheUnicorns();
					}
				} else {
					kon_index = 0;
				}
			});
		}
	}
});