| <!DOCTYPE html> | |
| <body> | |
| <script> | |
| var portal = document.createElement("portal"); | |
| portal.src = "simple-portal.html" | |
| portal.onload = () => { | |
| portal.activate(); | |
| portal.activate().catch(e => window.opener.postMessage(e.name, "*")); | |
| } | |
| document.body.append(portal); | |
| </script> | |
| </body> |