| <!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> |
