| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta http-equiv="Content-Security-Policy" content="frame-ancestors 'none'"> | |
| </head> | |
| <body> | |
| <p>Reporting Frame...</p> | |
| <script> | |
| function onMessage(event) { | |
| var p = document.createElement(p); | |
| p.textContent = event.data; | |
| document.body.appendChild(p); | |
| window.parent.postMessage(event.data, "*"); | |
| } | |
| window.addEventListener( | |
| "message", | |
| onMessage, | |
| false | |
| ); | |
| window.parent.postMessage("start test", "*"); | |
| </script> | |
| </body> | |
| </html> |