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firefox/testing/web-platform/tests/css/css-shadow-parts/animation-part.html
Daniel Baumann 5e9a113729
Adding upstream version 140.0.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-25 09:37:52 +02:00

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HTML

<!doctype html>
<title>Animation name and ::part()</title>
<link rel="author" title="Emilio Cobos Álvarez" href="mailto:emilio@crisal.io">
<link rel="author" title="Mozilla" href="https://mozilla.org">
<link rel="match" href="animation-part-ref.html">
<link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1852834">
<link rel="help" href="https://github.com/w3c/csswg-drafts/issues/1995">
<wrapper-el></wrapper-el>
<script>
class WrapperEl extends HTMLElement {
constructor() {
super();
this.attachShadow({ mode: "open" });
this.shadowRoot.innerHTML = `
<style>
@keyframes green {
from { background: green; }
to { background: green; }
}
display-el::part(icon) {
animation: green 1s linear infinite;
}
</style>
<display-el></display-el>
`;
}
}
customElements.define("wrapper-el", WrapperEl);
class DisplayEl extends HTMLElement {
constructor() {
super();
this.attachShadow({ mode: "open" });
this.shadowRoot.innerHTML = `
<style>
div {
width: 16px; height: 16px; background: red;
}
</style>
<p><div part="icon"></div></p>
`;
}
}
customElements.define("display-el", DisplayEl);
</script>