duration.tentative.html

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This test has a WPT meta file that expects 1 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /web-animations/interfaces/DocumentTimeline/duration.tentative.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<meta charset=utf-8>

<title>DocumentTimeline.duration</title>

<link rel="help" href="https://drafts.csswg.org/web-animations-2/#dom-animationtimeline-duration">

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<script src="../../testcommon.js"></script>

<script src="../../resources/timing-override.js"></script>

<body>

<div id="log"></div>

<script>

'use strict';

test(t => {

  const timeline = new DocumentTimeline();

  assert_equals(timeline.duration, null);

}, 'A document timeline does not have a duration');

</script>

</body>