| <!DOCTYPE html> | |
| <script src="/resources/testharness.js"></script> | |
| <script src="/resources/testharnessreport.js"></script> | |
| <body> | |
| <script> | |
| promise_test(async () => { | |
| assert_implements("HTMLPortalElement" in self); | |
| var portal = document.createElement("portal"); | |
| portal.src = "http://{{hosts[alt][www]}}:{{ports[http][0]}}/portals/resources/simple-portal.html"; | |
| return new Promise((resolve, reject) => { | |
| portal.onload = resolve; | |
| document.body.appendChild(portal); | |
| }); | |
| }); | |
| </script> | |
| </body> |