| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <title>iframe</title> | |
| <script> | |
| function onMsg(e) { | |
| if(e.data instanceof MediaStreamTrack) { | |
| parent.postMessage({result: 'Success'}); | |
| } else { | |
| parent.postMessage({ | |
| result: 'Failure', | |
| error: `${e.data} is not a MediaStreamTrack` | |
| }); | |
| } | |
| } | |
| window.addEventListener("message", onMsg); | |
| </script> | |
| </head> | |
| <body> | |
| </body> | |
| </html> |