html-parser.html - Android社区 - https://www.androidos.net.cn/

<!DOCTYPE html>
<body>
<pre id="log"></pre>
<script src="resources/runner.js"></script>
<script>
var spec = loadFile("resources/html5.html");

start(20, function() {
    var iframe = document.createElement("iframe");
    iframe.src = "about:blank";
    iframe.style.display = "none";
    document.body.appendChild(iframe);
    iframe.contentDocument.open();
    iframe.contentDocument.write(spec);
    iframe.contentDocument.close();
    document.body.removeChild(iframe);
});
</script>
</body>