31 lines
950 B
HTML
31 lines
950 B
HTML
<!DOCTYPE html>
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<html class="reftest-wait">
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<title>Update styles when iteration composition changed from replace to
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accumulate</title>
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<script src="animation-utils.js"></script>
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<style>
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#test {
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width: 100px; height: 100px;
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background: blue;
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}
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</style>
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<div id="test"></div>
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<script>
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var anim = document.getElementById("test")
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.animate({ marginLeft: [ "0px", "100px" ] },
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{ duration: 100000,
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delay: -99999, // For starting right before second iteration.
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easing: "steps(1, start)",
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iterations: 2,
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iterationComposite: "replace" });
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waitForIterationChange(anim).then(() => {
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// Changing iterationComposite updates the element style.
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anim.effect.iterationComposite = "accumulate";
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requestAnimationFrame(() => {
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// Now margin-left of the element should be 200px.
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document.documentElement.classList.remove("reftest-wait");
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});
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});
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</script>
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