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48 lines
2.1 KiB
HTML
48 lines
2.1 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<title>Custom Elements: Changes to the HTML parser</title>
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<meta name="author" title="Ryosuke Niwa" href="mailto:rniwa@webkit.org">
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<meta name="assert" content="HTML parser creates a custom element">
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<link rel="help" href="https://html.spec.whatwg.org/#create-an-element-for-the-token">
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<link rel="help" href="https://dom.spec.whatwg.org/#concept-create-element">
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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</head>
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<body>
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<div id="log"></div>
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<my-custom-element id="instance1"></my-custom-element>
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<script>
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class MyCustomElement extends HTMLElement { };
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test(function () {
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var customElement = document.getElementById('instance1');
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assert_true(customElement instanceof HTMLElement, 'An unresolved custom element must be an instance of HTMLElement');
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assert_false(customElement instanceof MyCustomElement, 'An unresolved custom element must NOT be an instance of that custom element');
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assert_equals(customElement.localName, 'my-custom-element');
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assert_equals(customElement.namespaceURI, 'http://www.w3.org/1999/xhtml', 'A custom element HTML must use HTML namespace');
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}, 'HTML parser must NOT create a custom element before customElements.define is called');
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customElements.define('my-custom-element', MyCustomElement);
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</script>
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<my-custom-element id="instance2"></my-custom-element>
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<script>
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test(function () {
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var customElement = document.getElementById('instance2');
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assert_true(customElement instanceof HTMLElement, 'A resolved custom element must be an instance of HTMLElement');
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assert_false(customElement instanceof HTMLUnknownElement, 'A resolved custom element must NOT be an instance of HTMLUnknownElement');
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assert_true(customElement instanceof MyCustomElement, 'A resolved custom element must be an instance of that custom element');
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assert_equals(customElement.localName, 'my-custom-element');
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assert_equals(customElement.namespaceURI, 'http://www.w3.org/1999/xhtml', 'A custom element HTML must use HTML namespace');
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}, 'HTML parser must create a defined custom element before executing inline scripts');
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</script>
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</body>
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</html>
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