konami code easter egg in js

konami.js

$(function () {
    // konami code - up up down down left right left right b a
    var code1 = String.fromCharCode(38, 38, 40, 40, 37, 39, 37, 39, 66, 65);
    var code2 = String.fromCharCode(38, 38, 40, 40, 37, 39, 37, 39, 65, 66);
    var codeBuffer = "";
    $(document).keyup(function (e) {
        codeBuffer += String.fromCharCode(e.which);
        if (code1.substring(0, codeBuffer.length) == codeBuffer) {
            if (code1.length == codeBuffer.length) {
                toggle1();
                codeBuffer = String.fromCharCode(38, 38, 40, 40, 37, 39, 37, 39, 66);
            }
        } else if (code2.substring(0, codeBuffer.length) == codeBuffer) {
            if (code2.length == codeBuffer.length) {
                toggle2();
                codeBuffer = "";
            }
        } else {
            codeBuffer = "";
        }
    });

    function toggle1() {
        var $body = $("body");
        if ($body.raptorize) {
            $body.raptorize();
        } else {
            $("head").append('<script src="/_/logic/jquery.raptorize.1.0.js?'+Math.random()+'"></script>');
        }
    }

    function toggle2() {
        window.DEBUG_FLAG = !window.DEBUG_FLAG;
        window.DEBUG_FILTER_INCLUDE = null;
        window.DEBUG_FILTER_EXCLUDE = null;
        window.DEBUG_TO_CONSOLE = false;
        window.logInited=true;

        updateConsoleVisibility();
    }
});