| <!DOCTYPE html> |
| <title>CSS Scoping: Dynamically overriding nested slot display value</title> |
| <link rel="author" title="Rune Lillesveen" href="mailto:futhark@chromium.org"> |
| <link rel="help" href="https://drafts.csswg.org/css-scoping/#slots-in-shadow-tree"> |
| <link rel="match" href="reference/green-box.html"/> |
| <style> |
| #outerHost { |
| width: 100px; |
| height: 100px; |
| background: red; |
| } |
| </style> |
| <p>Test passes if you see a single 100px by 100px green box below.</p> |
| <div id="outerHost"> </div> |
| <script> |
| let outerRoot = outerHost.attachShadow({mode:"open"}); |
| outerRoot.innerHTML = '<div id="innerHost"><slot></slot></div>'; |
| let innerHost = outerRoot.querySelector("#innerHost"); |
| let innerRoot = innerHost.attachShadow({mode:"open"}); |
| innerRoot.innerHTML = '<slot style="display:none; border:solid 50px green"></slot>'; |
| document.body.offsetTop; |
| innerRoot.querySelector("slot").style.display = "block"; |
| </script> |
