| <!DOCTYPE html> |
| <meta charset="utf-8"> |
| <title>ScrollTimeline constructor - no document</title> |
| <link rel="help" href="https://wicg.github.io/scroll-animations/#scrolltimeline-interface"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| |
| <script> |
| 'use strict'; |
| |
| test(function() { |
| document.documentElement.remove(); |
| assert_equals(document.scrollingElement, null); |
| |
| const timeline = new ScrollTimeline({timeRange: 100}); |
| assert_equals(timeline.scrollSource, null); |
| assert_equals(timeline.currentTime, null); |
| }, 'The scrollSource can be null if the document.scrollingElement does not exist'); |
| </script> |
