source-quirks-mode.html

Enable keyboard shortcuts

This test has a WPT meta file that expects 1 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /scroll-animations/scroll-timelines/source-quirks-mode.html - WPT Dashboard Interop Dashboard

<!-- Quirks mode -->

<html>

<head>

  <title>ScrollTimeline default source in quirks mode</title>

  <link rel="help" href="https://drafts.csswg.org/scroll-animations-1/#dom-scrolltimeline-scrolltimeline">

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

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

  <style>

    /* This is just to make it possible for #body1 to be

       "potentially scrollable".

       https://drafts.csswg.org/cssom-view/#potentially-scrollable */

    html {

      overflow: hidden;

  </style>

</head>

<body id=body1></body>

<script>

test(() => {

  try {

    assert_equals(document.scrollingElement.id, 'body1');

    assert_equals(new ScrollTimeline({}).source, body1);

    // Make #body1 "potentially scrollable". This causes the scrollingElement

    // of the document to become null.

//

    // https://drafts.csswg.org/cssom-view/#dom-document-scrollingelement

    body1.style = 'overflow:scroll';

    assert_equals(new ScrollTimeline({}).source, null);

  } finally {

    body1.style = '';

}, 'Style of <body> is reflected in source attribute in quirks mode');

</script>

</html>