59 lines
1.6 KiB
HTML
59 lines
1.6 KiB
HTML
<!DOCTYPE html>
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<meta charset="utf-8">
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<title>View timeline on element with display:none</title>
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<link rel="help" href="https://drafts.csswg.org/scroll-animations-1/#scroll-timelines">
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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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<script src="/css/css-typed-om/resources/testhelper.js"></script>
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<style>
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#container {
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border: 10px solid lightgray;
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overflow-x: scroll;
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height: 200px;
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width: 200px;
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}
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#content {
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display: flex;
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flex-flow: row nowrap;
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justify-content: flex-start;
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width: 1800px;
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margin: 0;
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}
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.spacer {
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width: 800px;
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display: inline-block;
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}
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#target {
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background-color: green;
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height: 100px;
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width: 100px;
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display: none;
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}
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</style>
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<div id="container">
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<div id="content">
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<div class="spacer"></div>
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<div id="target"></div>
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<div class="spacer"></div>
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</div>
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</div>
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<script>
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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, 0.5] }, { timeline: timeline });
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t.add_cleanup(() => {
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anim.cancel();
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});
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anim.rangeStart = "1em";
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container.scrollLeft = 750;
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await waitForNextFrame();
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assert_equals(getComputedStyle(target).opacity, "1",
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"Opacity with inactive timeline");
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}, "element with display: none should have inactive viewtimeline");
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</script>
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