| <body> | |
| Child. | |
| <iframe id="grandchild" src="change_grandchild.html"></iframe> | |
| </body> | |
| <script> | |
| var timer = window.setInterval(poll, 100); | |
| function poll() { | |
| if (document.body.getAttribute("data-contains-grandchild")) { | |
| var grandchild = document.getElementById("grandchild"); | |
| window.frameElement.parentNode.appendChild(grandchild); | |
| window.clearTimeout(timer); | |
| } | |
| } | |
| </script> |