32 lines
1.2 KiB
HTML
32 lines
1.2 KiB
HTML
<!DOCTYPE html>
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<link rel="help" href="https://dom.spec.whatwg.org/#dom-document-importnode">
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<script src="../resources/custom-elements-helpers.js"></script>
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<body>
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<script>
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test_with_window((w, doc) => {
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class MyElement extends HTMLElement {}
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class MyElement2 extends w.HTMLElement {}
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customElements.define('my-element', MyElement);
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w.customElements.define('my-element', MyElement2);
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let original = document.createElement('my-element');
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assert_true(original instanceof MyElement);
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let imported = doc.importNode(original);
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assert_true(imported instanceof MyElement2);
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}, 'autonomous: document.importNode() should import custom elements successfully');
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test_with_window((w, doc) => {
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class MyElement3 extends w.HTMLElement {}
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w.customElements.define('my-element3', MyElement3);
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let original = document.createElement('my-element3');
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assert_equals(original.constructor, HTMLElement);
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let imported = doc.importNode(original);
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assert_true(imported instanceof MyElement3);
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}, 'autonomous: document.importNode() should import "undefined" custom elements successfully');
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</script>
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</body>
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