| <!DOCTYPE html> |
| <head> |
| <title>data URL shared worker</title> |
| </head> |
| <body> |
| <script> |
| onmessage = event => { |
| const port = event.ports[0]; |
| // This shared worker counts the total number of connected documents and |
| // notifies the connector of it. |
| const kScript = |
| "onconnect = e => {" + |
| " if (self.count === undefined)" + |
| " self.count = 0;" + |
| " self.count++;" + |
| " e.ports[0].postMessage(self.count);" + |
| "};"; |
| const worker = new SharedWorker('data:application/javascript,' + kScript); |
| worker.port.onmessage = e => port.postMessage(e.data); |
| }; |
| |
| window.opener.postMessage('LOADED', '*'); |
| </script> |
| </body> |
| </html> |