<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Anonymous content test</title>
<style type="text/css">
#pseudo::before {
content: "before";
}
#pseudo::after {
content: "after";
}
#shadow::before {
content: "Testing ::before on a shadow host";
}
</style>
</head>
<body>
<div id="pseudo"><span>middle</span></div>
<div id="shadow">light dom</div>
<div id="native"><video controls></video></div>
<script>
"use strict";
var host = document.querySelector("#shadow");
if (host.createShadowRoot) {
var root = host.createShadowRoot();
root.innerHTML = "<h3>Shadow DOM</h3><select multiple></select>";
}
</script>
</body>
</html>