| OLD | NEW |
|---|
| (Empty) | |
| 1 <!DOCTYPE html> |
| 2 <html> |
| 3 <head> |
| 4 <title>Custom Elements: Changes to the HTML parser</title> |
| 5 <meta name="author" title="Ryosuke Niwa" href="mailto:rniwa@webkit.org"> |
| 6 <meta name="assert" content="HTML parser creates a custom element"> |
| 7 <link rel="help" href="https://html.spec.whatwg.org/#create-an-element-for-the-t
oken"> |
| 8 <link rel="help" href="https://dom.spec.whatwg.org/#concept-create-element"> |
| 9 <script src="/resources/testharness.js"></script> |
| 10 <script src="/resources/testharnessreport.js"></script> |
| 11 </head> |
| 12 <body> |
| 13 <div id="log"></div> |
| 14 <my-custom-element id="instance1"></my-custom-element> |
| 15 <script> |
| 16 |
| 17 class MyCustomElement extends HTMLElement { }; |
| 18 |
| 19 test(function () { |
| 20 var customElement = document.getElementById('instance1'); |
| 21 |
| 22 assert_true(customElement instanceof HTMLElement, 'An unresolved custom elem
ent must be an instance of HTMLElement'); |
| 23 assert_false(customElement instanceof MyCustomElement, 'An unresolved custom
element must NOT be an instance of that custom element'); |
| 24 assert_equals(customElement.localName, 'my-custom-element'); |
| 25 assert_equals(customElement.namespaceURI, 'http://www.w3.org/1999/xhtml', 'A
custom element HTML must use HTML namespace'); |
| 26 |
| 27 }, 'HTML parser must NOT create a custom element before customElements.define is
called'); |
| 28 |
| 29 customElements.define('my-custom-element', MyCustomElement); |
| 30 |
| 31 </script> |
| 32 <my-custom-element id="instance2"></my-custom-element> |
| 33 <script> |
| 34 |
| 35 test(function () { |
| 36 var customElement = document.getElementById('instance2'); |
| 37 |
| 38 assert_true(customElement instanceof HTMLElement, 'A resolved custom element
must be an instance of HTMLElement'); |
| 39 assert_false(customElement instanceof HTMLUnknownElement, 'A resolved custom
element must NOT be an instance of HTMLUnknownElement'); |
| 40 assert_true(customElement instanceof MyCustomElement, 'A resolved custom ele
ment must be an instance of that custom element'); |
| 41 assert_equals(customElement.localName, 'my-custom-element'); |
| 42 assert_equals(customElement.namespaceURI, 'http://www.w3.org/1999/xhtml', 'A
custom element HTML must use HTML namespace'); |
| 43 |
| 44 }, 'HTML parser must create a defined custom element before executing inline scr
ipts'); |
| 45 |
| 46 </script> |
| 47 </body> |
| 48 </html> |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 2434563008:
Import wpt@26c8d4e87448d1c4e5ebf2ddb4917c0633c201db (Closed)
