| <!DOCTYPE html> |
| <body> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| |
| <script> |
| customElements.define('custom-input', class extends HTMLElement { |
| static get formAssociated() {return true;} |
| }); |
| </script> |
| |
| <form> |
| <custom-input id="custom-1" name="alone"></custom-input> |
| <custom-input id="custom-2" name="group"></custom-input> |
| <custom-input id="custom-3" name="group"></custom-input> |
| </form> |
| |
| <script> |
| test(() => { |
| const formElements = document.forms[0].elements; |
| assert_equals(formElements['invalid'],undefined); |
| assert_equals(formElements['alone'],document.getElementById('custom-1'),'Single input should be returned as-is'); |
| assert_true(formElements['group'] instanceof RadioNodeList,'Repeated names should result in RadioNodeList'); |
| const expected = [document.getElementById('custom-2'), |
| document.getElementById('custom-3')]; |
| assert_array_equals(formElements['group'],expected,'Repeated names should be contained in RadioNodeList, in tree order'); |
| }, 'Form associated custom elements should work with document.forms.elements.namedItem()'); |
| |
| </script> |
| </body> |
