зеркало из https://github.com/mozilla/gecko-dev.git
45 строки
1.2 KiB
HTML
45 строки
1.2 KiB
HTML
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<!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 Transform100px {
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from, to { transform: translate(100px) }
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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: Transform100px 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("transform", "translateX(200px)", "important");
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requestAnimationFrame(() => {
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// Now the target transform style should be translateX(200px) because of
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// !important rule.
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// Apply transform:none without important directive.
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target.style.setProperty("transform", "none", "");
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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 transform:none 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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