| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <title>WebSocket Opener</title> | |
| <script> | |
| window.addEventListener("message", function (event) { | |
| const socket = new WebSocket(event.data); | |
| socket.onopen = () => { | |
| parent.postMessage("open", "*"); | |
| }; | |
| socket.onclose = (evt) => { | |
| parent.postMessage(`close: code ${evt.code}`, "*"); | |
| }; | |
| }); | |
| </script> |