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<!DOCTYPE html>
<meta charset="utf-8">
<title>Test of Node.isConnected in a shadow tree</title>
<link rel="help" href="https://dom.spec.whatwg.org/#connected">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<body>
<script>
"use strict";
function testIsConnected(mode) {
test(() => {
const host = document.createElement("div");
document.body.appendChild(host);
const root = host.attachShadow({ mode });
const node = document.createElement("div");
root.appendChild(node);
assert_true(node.isConnected);
}, `Node.isConnected in a ${mode} shadow tree`);
}
for (const mode of ["closed", "open"]) {
testIsConnected(mode);
}
</script>
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