<!DOCTYPE html><html><head><meta charset="utf-8"></head><body>
<!-- Any copyright is dedicated to the Public Domain.
   - http://creativecommons.org/publicdomain/zero/1.0/ -->

<!-- Simple form with username and password fields together in a shadow root -->
<!-- This form is based off of toolkit/components/passwordmgr/test/browser/formless_basic.html -->
<!-- username and password inputs generated programmatically below -->
<input id="submit" type="submit">

<script>
  const submitButton = document.getElementById("submit");
  const wrapper = document.createElement("span");
  wrapper.id = "wrapper-un-and-pw";
  const shadow = wrapper.attachShadow({mode: "closed"});
  const fields = ["username", "password"];
  for (let field of fields) {
    const inputEle = document.createElement("input");
    inputEle.id = field;
    inputEle.name = field;
    if (field === "password") {
      inputEle.type = field;
    }
    shadow.append(inputEle);
  }
  submitButton.before(wrapper);
</script>

</body></html>
