3 <script>jsTestIsAsync
= true;</script>
4 <script src=
"../../resources/js-test.js"></script>
10 requestAnimationFrame(function() {
11 div
= root
.appendChild(document
.createElement("div"));
12 div
.textContent
= "Test that implicit attach marks all ancestors on insert.";
13 shouldBeTrue("div.offsetTop > 0");