examples/scoped.html

<!DOCTYPE html>
<title> Scoped Eval </title>
<div id="test"></div>
<script type="module">
  const host = document.querySelector('#test');
  const shadow = host.attachShadow({ mode:'closed' });
  shadow.innerHTML = `<script>alert('SCRIPT DID EXECUTE');`;
  const scripts = shadow.querySelectorAll('script');
  const scopedEval = (script) => Function(script).bind(shadow)();
  scripts.forEach(s => scopedEval(s.innerHTML));
</script>