The Vogue.co.uk raptor Easter egg, which starts at line 1075 here: http://d3u12z27ui3vom.cloudfront.net/Build-Vogue-master/2055-fcce9c6e0c61/logic/site.v2.group.generated.js

vogue.raptor.easter.js

// 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() {
    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.logInited=true;
    updateConsoleVisibility();
}