| <!DOCTYPE html> |
| <meta charset="utf-8"> |
| <title>Request navigate</title> |
| <script> |
| // Asks the service worker to call WindowClient.navigate() on us. It will |
| // message back the result if it failed, or else we navigate away. |
| async function requestToNavigate() { |
| const sawMessage = new Promise((resolve) => { |
| navigator.serviceWorker.onmessage = (event) => { |
| resolve(event.data); |
| }; |
| }); |
| const registration = await navigator.serviceWorker.ready; |
| registration.active.postMessage({command: 'navigate', url: 'empty.html'}); |
| return await sawMessage; |
| } |
| </script> |
