Konami code with jquery

konami.js

$(document).ready(function(){
	var keys 	= [];
	var konami  = '38,38,40,40,37,39,37,39,66,65';
	
	$(document)
		.keydown(
			function(e) {
				keys.push( e.keyCode );
				if ( keys.toString().indexOf( konami ) >= 0 ){
					console.log("konami code")
					keys = [];
				}
			}
		);
});