nameditem-adoption.html

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This WPT test may be referenced by the following Test IDs:
- /html/dom/documents/dom-tree-accessors/nameditem-adoption.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<meta charset="utf-8">

<title>Document named properties across adoption</title>

<link rel="help" href="https://html.spec.whatwg.org/multipage/dom.html#dom-document-nameditem">

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<body>

<script>

"use strict";

test(() => {

  const otherDocument = document.implementation.createHTMLDocument();

  const object = document.createElement("object");

  object.id = "adopted";

  document.body.append(object);

  assert_equals(document.adopted, object, "before adoption");

  otherDocument.adoptNode(object);

  assert_equals(document.adopted, undefined, "removed from old document by adoption");

  assert_equals(otherDocument.adopted, undefined, "not yet inserted into new document");

  otherDocument.body.append(object);

  assert_equals(otherDocument.adopted, object, "after insertion into new document");

}, "Named properties follow adoption between documents.");

</script>