45 lines
1.2 KiB
HTML
45 lines
1.2 KiB
HTML
<!DOCTYPE html>
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<meta charset=utf-8>
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<title>Setting the effect of a scroll-driven animation</title>
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<link rel="help"
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href="https://drafts.csswg.org/web-animations-1/#setting-the-associated-effect">
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<script src="/web-animations/testcommon.js"></script>
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<script src="testcommon.js"></script>
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<style>
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#scroller {
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overflow-y: scroll;
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height: 100px;
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width: 100px;
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}
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#target {
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width: 100%;
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height: 1000%;
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background-color: green;
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}
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</style>
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<body>
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<div id="scroller">
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<div id="target"></div>
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</div>
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<script>
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'use strict';
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test(() => {
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const scroller = document.getElementById("scroller");
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const target = document.getElementById("target");
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const timeline = new ScrollTimeline({ source: scroller });
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const animation = target.animate(null, { timeline });
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assert_percents_equal(animation.effect.getComputedTiming().endTime, 100);
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animation.effect = new KeyframeEffect(target, { opacity: [0, 1] });
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assert_percents_equal(animation.effect.getComputedTiming().endTime, 100);
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}, 'Setting the effect of scroll-driven animation computes percentage timing values.');
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</script>
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</body>
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