| <!DOCTYPE html> |
| <html> |
| <head> |
| <script> |
| window.addEventListener("load", () => { |
| const heading = document.getElementById("heading") |
| const input = document.createElementNS("http://www.w3.org/1999/xhtml", "input") |
| heading.appendChild(input) |
| const selection = window.getSelection() |
| const range = new Range() |
| range.setStartBefore(input) |
| heading.contentEditable = true |
| document.execCommand("selectAll", false, null) |
| document.designMode = "on" |
| selection.addRange(range) |
| range.setEndBefore(heading) |
| range.setEndAfter(heading) |
| document.execCommand("insertImage", false, "wss://:pass@[::1]$/") |
| }) |
| </script> |
| </head> |
| <h4 id="heading"></h4> |
| <!-- COMMENT --> |
| </html> |