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