<!DOCTYPE html>
<html lang="en-US">
<body>
<p>Check your console (Press F12)</p>
<script>
var x = document.getElementById("point");
var elem = document.createElement("h2");
var shadowRoot = elem.attachShadow({mode: "open"});
shadowRoot.innerHTML = '<div id="myShadowChild">content</div>';
console.log(elem.shadowRoot);
</script> </body>
</html>