File: source-quirks-mode.html

package info (click to toggle)
thunderbird 1%3A115.12.0-1~deb11u1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 3,463,904 kB
  • sloc: cpp: 6,971,272; javascript: 5,208,988; ansic: 3,507,245; python: 1,137,377; asm: 432,531; xml: 205,149; java: 175,761; sh: 116,483; makefile: 22,157; perl: 13,971; objc: 12,561; yacc: 4,583; pascal: 2,840; lex: 1,720; ruby: 1,075; exp: 762; sql: 666; awk: 580; php: 436; lisp: 430; sed: 70; csh: 10
file content (36 lines) | stat: -rw-r--r-- 1,134 bytes parent folder | download | duplicates (18)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
<!-- 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>