53 lines
1.5 KiB
HTML
53 lines
1.5 KiB
HTML
<!doctype html>
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<html class=reftest-wait>
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<link rel="author" title="Xianzhu Wang" href="mailto:wangxianzhu@chromium.org">
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<link rel="help" href="https://drafts.csswg.org/css-transforms-2/#propdef-backface-visibility">
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<link rel="match" href="backface-visibility-hidden-animated-ref.html">
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<style>
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@keyframes show-backface {
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0% { transform: rotateY(60deg); }
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0.01% { transform: rotateY(180deg); }
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100% { transform: rotateY(180deg); }
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}
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.flip {
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animation: 10s linear 0s infinite forwards show-backface;
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height: 100px;
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width: 100px;
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transform: rotateY(60deg);
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transform-style: preserve-3d;
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}
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#back {
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background: lightblue;
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transform: rotateY(180deg);
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position: absolute;
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top: 0;
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left: 0;
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width: 200px;
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height: 200px;
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backface-visibility: hidden;
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}
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#posabs {
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position: absolute;
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/* This is the only difference from backface-visibility-hidden-animated-001.html. */
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will-change: transform;
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bottom: 0;
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right: 0;
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background: yellow;
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}
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</style>
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<div id="flip">
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<div id="back">
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<i id="posabs">Text</i>
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</div>
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</div>
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<script>
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onload = () => requestAnimationFrame(() => requestAnimationFrame(() => {
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flip.classList.add("flip");
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requestAnimationFrame(() => requestAnimationFrame(() =>
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document.documentElement.classList.remove("reftest-wait")));
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}));
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</script>
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</html>
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