41 lines
1.4 KiB
HTML
41 lines
1.4 KiB
HTML
<!DOCTYPE html>
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<html id="top">
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<meta charset="utf-8">
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<title>View timeline delay</title>
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<link rel="help" href="https://drafts.csswg.org/scroll-animations-1/#viewtimeline-interface">
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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="/scroll-animations/scroll-timelines/testcommon.js"></script>
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<script src="/scroll-animations/view-timelines/testcommon.js"></script>
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<style>
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#target {
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margin: 200vh;
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background-color: green;
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height: 100px;
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width: 100px;
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}
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</style>
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<body>
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<div id="target"></div>
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</body>
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<script type="text/javascript">
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promise_test(async t => {
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const timeline = new ViewTimeline({ subject: target });
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const anim = target.animate({ opacity: [0, 1 ] },
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{ timeline: timeline,
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rangeStart: "entry 0%",
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rangeEnd: "entry 100%",
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fill: "both" });
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const scroller = document.scrollingElement;
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const scrollRange = scroller.scrollHeight - scroller.clientHeight;
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await anim.ready;
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await waitForNextFrame();
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scroller.scrollTop = scrollRange / 2;
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await waitForNextFrame();
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assert_equals(getComputedStyle(target).opacity, "1");
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}, 'Test view-timeline with document scrolling element.');
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</script>
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