50 lines
1.3 KiB
HTML
50 lines
1.3 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<title>View Timeline attached to an SVG graphics element</title>
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</head>
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<style type="text/css">
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@keyframes bg {
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from { background-color: blue; }
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to { background-color: green; }
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}
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#colorize {
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animation: bg steps(2, jump-none) both;
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animation-timeline: view();
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animation-range: contain;
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background-color: red;
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color: white;
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}
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.spacer {
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height: 80vh;
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}
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</style>
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<body>
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<div class="spacer"></div>
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<div id="content">
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<p>Hello <span id="colorize">world</span></p>
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</div>
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<div class="spacer"></div>
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</body>
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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>
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promise_test(async t => {
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const scroller = document.scrollingElement;
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const anim = document.getAnimations()[0];
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await anim.ready;
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assert_equals(getComputedStyle(anim.effect.target)
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.backgroundColor, 'rgb(0, 0, 255)');
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scroller.scrollTop =
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scroller.scrollHeight - scroller.clientHeight;
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await waitForNextFrame();
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assert_equals(getComputedStyle(anim.effect.target)
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.backgroundColor, 'rgb(0, 128, 0)');
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}, 'View timeline attached to SVG graphics element');
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</script>
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</html>
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