| <!doctype HTML> |
| <html class="reftest-wait"> |
| <meta charset="utf8"> |
| <title>CSS Content Visibility: auto with content changes</title> |
| <link rel="author" title="Cathie Chen" href="mailto:[email protected]"> |
| <link rel="help" href="https://drafts.csswg.org/css-contain/#content-visibility"> |
| <link rel="match" href="../../reference/ref-filled-green-100px-square.xht"> |
| <meta name="assert" content="content-visibility auto element should be resized when content changes"> |
| |
| <script src="/common/reftest-wait.js"></script> |
| |
| <style> |
| .auto { |
| content-visibility: auto; |
| width: fit-content; |
| } |
| .hidden { height: 0; } |
| </style> |
| |
| <p>Test passes if there is a filled green square and <strong>no red</strong>.</p> |
| <div class="auto"> |
| <div id ="target" class="hidden"> |
| <div style="width: 100px; height: 100px; background-color: green;"></div> |
| </div> |
| </div> |
| |
| <script> |
| function changeContent() { |
| requestAnimationFrame(() => { |
| target.classList.toggle("hidden"); |
| requestAnimationFrame(takeScreenshot); |
| }); |
| } |
| function runTest() { |
| requestAnimationFrame(changeContent); |
| } |
| |
| window.onload = () => { requestAnimationFrame(runTest); }; |
| </script> |
