Skip to content

WebKit export of https://bugs.webkit.org/show_bug.cgi?id=301056 #55811

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 1 commit into from
Nov 3, 2025
+111 −1
Merged

WebKit export of https://bugs.webkit.org/show_bug.cgi?id=301056 #55811

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
0 ...anchored-transition-display-none-ref.html → ...ored-transition-display-none-001-ref.html
View file
Open in desktop
File renamed without changes.
2 changes: 1 addition & 1 deletion ...ion/anchored-transition-display-none.html → ...anchored-transition-display-none-001.html
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
<!DOCTYPE html>
<html id=html class="reftest-wait">
<link rel="help" href="https://drafts.csswg.org/css-anchor-position-1">
<link rel="match" href="anchored-transition-display-none-ref.html">
<link rel="match" href="anchored-transition-display-none-001-ref.html">
This is visible.
<div>FAIL if this is visible</div>

Expand Down
43 changes: 43 additions & 0 deletions css/css-anchor-position/anchored-transition-display-none-002-ref.html
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,43 @@
<!DOCTYPE html>

<style>
#containing-block {
width: 300px;
height: 300px;
position: relative;
outline: 1px black solid;
}

#anchor {
width: 100px;
height: 100px;
position: absolute;
top: 100px;
left: 0px;
background: cyan;
}

.anchored {
position: absolute;
width: 100px;
height: 100px;
}

#anchored-anchor-function {
top: 200px;
left: 100px;
background: green;
}

#anchored-position-area {
top: 0px;
left: 100px;
background: blue;
}
</style>

<div id="containing-block">
<div id="anchor"></div>
<div class="anchored" id="anchored-anchor-function"></div>
<div class="anchored" id="anchored-position-area"></div>
</div>
67 changes: 67 additions & 0 deletions css/css-anchor-position/anchored-transition-display-none-002.html
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,67 @@
<!DOCTYPE html>

<html class="reftest-wait">

<title>When anchor-positioned elements transition from display: block to none, it should keep its position until transition end</title>
<link rel="help" href="https://drafts.csswg.org/css-anchor-position-1">
<link rel="author" href="mailto:[email protected]">
<link rel="match" href="anchored-transition-display-none-002-ref.html">
<script src="/common/reftest-wait.js"></script>
<script src="/common/rendering-utils.js"></script>

<style>
#containing-block {
width: 300px;
height: 300px;
position: relative;
outline: 1px black solid;
}

#anchor {
width: 100px;
height: 100px;
position: absolute;
top: 100px;
left: 0px;
background: cyan;
anchor-name: --anchor;
}

.anchored {
position: absolute;
width: 100px;
height: 100px;
transition: display 99999s allow-discrete;
}

#anchored-anchor-function {
top: anchor(--anchor bottom);
left: anchor(--anchor right);
background: green;
}

#anchored-position-area {
position-anchor: --anchor;
position-area: top right;
background: blue;
}
</style>

<body onload="onLoad()">
<div id="containing-block">
<div id="anchor"></div>
<div class="anchored" id="anchored-anchor-function"></div>
<div class="anchored" id="anchored-position-area"></div>
</div>

<script>
function onLoad() {
document.getElementById("anchored-anchor-function").style.display = "none";
document.getElementById("anchored-position-area").style.display = "none";

waitForAtLeastOneFrame().then(takeScreenshot);
}
</script>
</body>

</html>