Source code

Revision control

Copy as Markdown

Other Tools

Test Info:

<!DOCTYPE html>
<html class=reftest-wait>
<title>View transitions: auto name generated from ID</title>
<link rel="match" href="auto-name-ref.html">
<script src="/common/reftest-wait.js"></script>
<style>
div {
width: 100px;
height: 100px;
}
main {
display: flex;
flex-direction: column;
}
.item {
view-transition-name: auto;
}
main.switch #item1 {
order: 2;
}
#item1 {
background: green;
}
#item2 {
background: yellow;
position: relative;
left: 100px;
}
html::view-transition {
background: rebeccapurple;
}
:root { view-transition-name: none; }
html::view-transition-group(item1),
html::view-transition-group(item2) {
animation-timing-function: steps(2, start);
animation-play-state: paused;
}
html::view-transition-old(*),
html::view-transition-new(*)
{ animation-play-state: paused; }
html::view-transition-old(*) { animation: unset; opacity: 0 }
html::view-transition-new(*) { animation: unset; opacity: 1 }
</style>
<main>
<div class="item" id="item1"></div>
<div class="item" id="item2"></div>
</main>
<script>
failIfNot(document.startViewTransition, "Missing document.startViewTransition");
function runTest() {
document.startViewTransition(() => {
document.querySelector("main").classList.toggle("switch");
}).ready.then(takeScreenshot);
}
onload = () => requestAnimationFrame(() => requestAnimationFrame(runTest));
</script>
</body>