Iframe, Cross-origin testbed for userscripts

by BrockA

HTML

<!DOCTYPE html>
<html><head>
    <title>iFrame, cross-domain, test page (container)</title>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
    <style type="text/css">
        html, body, div, ul, ol, li, p, h1, h2, h3, h4, h5, h6, form, fieldset, a {
            margin: 0;  padding: 0;  border: 0;
        }
        body {
            color: black;
            background: white;
            text-align: left;
            font-size: 96.01%;
            font-weight: normal;
            font-family: "Trebuchet MS", Helvetica, Tahoma, Arial, sans-serif;
            padding: 2em 5%;
            line-height: 150%;
            min-width: 680px;
        }
        p { margin-bottom: 1em; }
        * {
            font-size: 1em;  font-weight: normal;
        }
        a, a:link{ color:#201B9B; }
        a:visited { color:#4A1A2C; }
        a:hover { color: red; }
        iframe {
            height: 10em;  width: 80%;
        }
    </style>
</head><body>
    <h3>This page is just a target for Tampermonkey/Violentmonkey/User scripts --
        to test dealing with cross-domain iframes.
    </h3>
    <p>Refer to <a href="https://stackoverflow.com/a/11774184/331508">this Stack Overflow post</a>.</p>
    <br>
    <iframe src="https://xkcd.com/2132/" id="testIframe"></iframe>
</body>
</html>