| <!DOCTYPE html> | |
| <script> | |
| window.addEventListener('message', e => { | |
| if (e.data.domain !== undefined) { | |
| try { | |
| document.domain = e.data.domain; | |
| e.ports[0].postMessage('Done'); | |
| } catch(error) { | |
| e.ports[0].postMessage(error.name); | |
| } | |
| } else if (e.data == 'poke-at-parent') { | |
| try { | |
| var sekrit = window.parent.document.body.querySelector('#sekrit').value; | |
| e.ports[0].postMessage(sekrit); | |
| } catch(error) { | |
| e.ports[0].postMessage(error.name); | |
| } | |
| } | |
| }); | |
| window.parent.postMessage('Hi!', '*'); | |
| </script> |