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51 lines
2.4 KiB
HTML
51 lines
2.4 KiB
HTML
<!DOCTYPE html>
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<title>Custom Elements: document.createElementNS should support custom elements</title>
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<link rel="help" content="https://dom.spec.whatwg.org/#concept-create-element">
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<link rel="help" content="https://dom.spec.whatwg.org/#internal-createelementns-steps">
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<body>
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<script>
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test(() => {
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class MyElement extends HTMLElement {};
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customElements.define('my-autonomous', MyElement);
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let element = document.createElementNS('http://www.w3.org/1999/xhtml', 'p:my-autonomous');
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assert_true(element instanceof MyElement);
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assert_equals(element.prefix, 'p');
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}, 'autonomous: document.createElementNS should create custom elements with prefixes.');
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test(() => {
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class MyElement2 extends HTMLElement {};
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customElements.define('my-autonomous2', MyElement2);
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let element = document.createElementNS('urn:example', 'my-autonomous2');
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assert_false(element instanceof MyElement2);
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}, 'autonomous: document.createElementNS should check namespaces.');
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test(() => {
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const xhtmlNS = 'http://www.w3.org/1999/xhtml';
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assert_false(document.createElementNS(xhtmlNS, 'x-foo') instanceof HTMLUnknownElement);
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assert_false(document.createElementNS(xhtmlNS, 'x-foo', {}) instanceof HTMLUnknownElement);
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assert_false((new Document()).createElementNS(xhtmlNS, 'x-foo') instanceof HTMLUnknownElement);
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assert_false((new Document()).createElementNS(xhtmlNS, 'x-foo', {}) instanceof HTMLUnknownElement);
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}, 'autonomous: document.createElementNS should not create HTMLUnknownElement for a valid custom element name');
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test(() => {
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class MyBuiltinElement extends HTMLElement {};
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customElements.define('my-builtin', MyBuiltinElement, { extends: 'address' });
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let element = document.createElementNS('http://www.w3.org/1999/xhtml', 'p:address', { is: 'my-builtin'});
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assert_true(element instanceof MyBuiltinElement);
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assert_equals(element.prefix, 'p');
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}, 'builtin: document.createElementNS should create custom elements with prefixes.');
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test(() => {
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class MyBuiltinElement2 extends HTMLElement {};
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customElements.define('my-builtin2', MyBuiltinElement2, { extends: 'address'});
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let element = document.createElementNS('urn:example', 'address', { is: 'my-builtin2' });
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assert_false(element instanceof MyBuiltinElement2);
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}, 'builtin: document.createElementNS should check namespaces.');
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</script>
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</body>
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