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These tests aim to confirm that part 5 does not cause any regressons. MozReview-Commit-ID: BtZ1OGiilmQ --HG-- rename : layout/reftests/css-animations/no-stacking-context-animation-ref.html => layout/reftests/css-transitions/no-stacking-context-transition-ref.html rename : layout/reftests/css-animations/stacking-context-animation-ref.html => layout/reftests/css-transitions/stacking-context-transition-ref.html
44 lines
1.1 KiB
HTML
44 lines
1.1 KiB
HTML
<!DOCTYPE html>
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<html class="reftest-wait">
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<title>
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Removing !important rule during delay phase of animation creates
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a stack context for correct style
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</title>
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<style>
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span {
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height: 100px;
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width: 100px;
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position: fixed;
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background: green;
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top: 50px;
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}
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@keyframes Opacity0 {
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from, to { opacity: 0 }
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}
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#test {
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width: 100px; height: 100px;
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background: blue;
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animation: Opacity0 100s 100s;
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}
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</style>
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<span></span>
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<div id="test"></div>
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<script>
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window.addEventListener("load", () => {
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var target = document.getElementById("test");
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target.style.setProperty("opacity", "0.1", "important");
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requestAnimationFrame(() => {
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// Now the target opacity style should be 0.1 because of !important rule.
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// Apply 100% opacity without important directive.
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target.style.setProperty("opacity", "1", "");
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requestAnimationFrame(() => {
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// The CSS animation is no longer overridden but it's still in delay
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// phase, so we should create a stacking context for 100% opacity style.
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document.documentElement.classList.remove("reftest-wait");
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});
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});
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});
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</script>
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