| <!DOCTYPE html> | |
| <script> | |
| addEventListener('message', e => { | |
| fetch('./slow-response.php') | |
| .then(async response => { | |
| await internals.terminateServiceWorker(navigator.serviceWorker.controller); | |
| return response.text(); | |
| }) | |
| .then(() => { | |
| e.source.postMessage( | |
| 'Ugr.. Canceled respondWith resolves the promise somehow.', | |
| e.origin); | |
| }) | |
| .catch(() => { | |
| e.source.postMessage('Rejected successfully', e.origin); | |
| }); | |
| }); | |
| </script> |