| <html> | |
| <body> | |
| <script> | |
| var img = document.createElement("img"); | |
| img.src = "/content-security-policy/support/pass.png"; | |
| img.onload = function() { parent.postMessage('img loaded', '*'); } | |
| img.onerror = function() { parent.postMessage('img not loaded', '*'); } | |
| document.body.appendChild(img); | |
| </script> | |
| </body> | |
| </html> |