| <!DOCTYPE html> |
| <html> |
| <body> |
| <script> |
| window.addEventListener("load", async () => { |
| let doc = document; |
| |
| for (let i = 0; i < 4; i++) { |
| const iframe = doc.createElement("iframe"); |
| iframe.style.border = 'none'; |
| iframe.srcdoc = '<style>html, body { margin: 0px; padding: 0px; overflow: hidden; }</style>'; |
| doc.body.appendChild(iframe); |
| |
| // Wait for srcdoc to load |
| await new Promise(resolve => { |
| iframe.addEventListener('load', resolve, { once: true }); |
| }); |
| |
| doc = iframe.contentDocument; |
| const div = doc.createElement("div"); |
| div.textContent = `frame ${i}`; |
| doc.body.appendChild(div); |
| } |
| }); |
| </script> |
| </body> |
| </html> |
