| <body></body> | |
| <title>a page with an iframe</title> | |
| <!-- This page makes an iframe to |subframe_url|.--> | |
| <script> | |
| const url_params = new URLSearchParams(location.search); | |
| let subframe_url = url_params.get("subframe_url"); | |
| if (subframe_url != null) { | |
| let iframe = document.createElement('iframe'); | |
| iframe.src = subframe_url; | |
| iframe.name = "subframe_name"; | |
| document.body.appendChild(iframe); | |
| } | |
| </script> |