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<!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 each in their own nested shadow roots -->
<!-- This form is based off of toolkit/components/passwordmgr/test/browser/form_basic.html -->
<form id="each-field-its-own-shadow">
<span id="outer-wrapper-username">
<!-- username input generated programmatically below -->
</span>
<span id="outer-wrapper-password">
<!-- password input generated programmatically below -->
</span>
<input id="submit" type="submit">
</form>
<script>
const submitButton = document.getElementById("submit");
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;
}
const wrapper = document.createElement("span");
wrapper.id = `wrapper-${field}`;
const shadow = wrapper.attachShadow({mode: "closed"});
shadow.append(inputEle);
const outerWrapper = document.getElementById(`outer-wrapper-${field}`);
const outerShadow = outerWrapper.attachShadow({mode: "closed"});
outerShadow.append(wrapper);
}
</script>
</body></html>
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