| <!DOCTYPE html> |
| <script> |
| let cache = window; |
| // "foo" needs to be a var so it's a property on the global. |
| var foo = 'Reachable 1'; |
| // "bar" needs to be a var so it's a property on the global. |
| var bar = { foo: 'Reachable 2' }; |
| location.foo = 'Reachable 3'; |
| document.foo = 'Reachable 4'; |
| 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-sibling'] !== undefined) { |
| try { |
| var sekrit = parent[e.data['poke-at-sibling']].document.body.querySelector('#sekrit').value; |
| e.ports[0].postMessage(sekrit); |
| } catch(error) { |
| e.ports[0].postMessage(error.name); |
| } |
| } else if (e.data.cache != undefined) { |
| let path = e.data.cache; |
| try { |
| while (path.length != 0) { |
| cache = cache[path.shift()]; |
| } |
| e.ports[0].postMessage('cached'); |
| } catch (error) { |
| e.ports[0].postMessage(error.name); |
| } |
| } else if (e.data == 'touch-cached') { |
| try { |
| e.ports[0].postMessage(cache.foo); |
| } 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> |
| <input id="sekrit" value="omg!"> |
