| <!DOCTYPE html> |
| <html language="en"> |
| <head> |
| <title>a.com</title> |
| <script language="javascript"> |
| function onLoad() { |
| // The embedded iframe is dynamically loaded because we don't know |
| // the port where it is hosted until runtime. |
| console.log("a_embeds_b.html loaded"); |
| let l = window.location; |
| let url = `${l.protocol}//b.com:${l.port}/b.html`; |
| console.log(`loading iframe [${url}]`); |
| let iframe = document.createElement('iframe'); |
| iframe.setAttribute('src', url); |
| document.body.appendChild(iframe); |
| } |
| </script> |
| </head> |
| <body onload="onLoad();"> |
| Welcome to a.com, embedding b.com! |
| </body> |
| </html> |
