| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <script> | |
| let result; | |
| try { | |
| parent.document.getElementsByClassName('script'); | |
| result = 'iframe not sandboxed' | |
| } catch (e) { | |
| result = 'iframe sandboxed(' + e.message + ')'; | |
| } | |
| window.onmessage = m => { | |
| window.parent.postMessage({ | |
| result: result | |
| }, '*'); | |
| }; | |
| </script> |