| <!doctype HTML> |
| <html class="reftest-wait"> |
| <meta charset="utf8"> |
| <title>Content Visibility: scroll child into view, and adopt to a document</title> |
| <link rel="author" title="Vladimir Levin" href="mailto:vmpstr@chromium.org"> |
| <link rel="help" href="https://drafts.csswg.org/css-contain/#content-visibility"> |
| <link rel="match" href="container-ref.html"> |
| <meta name="assert" content="scrollIntoView on a hidden subtree is a no-op"> |
| <meta name="assert" content="adopting an element in a hidden subtree works (no asserts / crashes)"> |
| |
| <script src="/common/reftest-wait.js"></script> |
| |
| <style> |
| #container { |
| width: 150px; |
| height: 150px; |
| background: lightblue; |
| } |
| .hidden { |
| content-visibility: hidden; |
| } |
| </style> |
| <div id=container class=hidden> |
| Text. |
| <div id=child></div> |
| </div> |
| |
| <script> |
| function moveChild() { |
| child.scrollIntoView(); |
| document.implementation.createDocument( "", null).adoptNode(child); |
| requestAnimationFrame(takeScreenshot); |
| } |
| |
| async function runTest() { |
| requestAnimationFrame(moveChild); |
| } |
| |
| window.onload = requestAnimationFrame(runTest); |
| </script> |
