| <!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 must construct custom elements inside document.write"> |
| <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"> |
| <link rel="help" href="https://html.spec.whatwg.org/#document.write()"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| </head> |
| <body> |
| <div id="log"></div> |
| <script> |
| |
| class MyCustomElement extends HTMLElement { } |
| customElements.define('my-custom-element', MyCustomElement); |
| |
| document.write('<my-custom-element></my-custom-element>'); |
| |
| test(function () { |
| var instance = document.querySelector('my-custom-element'); |
| |
| assert_true(instance instanceof HTMLElement); |
| assert_true(instance instanceof MyCustomElement); |
| |
| }, 'HTML parser must instantiate custom elements inside document.write'); |
| |
| </script> |
| </body> |
| </html> |
