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
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
|
<!doctype html>
<meta charset="utf-8">
<title>::scroll-markers with content-visibility: auto ancestors and subscrollers</title>
<link rel="match" href="nested-scroll-markers-under-content-visibility-auto-ref.html">
<link rel="help" href="https://drafts.csswg.org/css-overflow-5/#scroll-marker-pseudo">
<link rel="author" href="mailto:vmpstr@chromium.org">
<link rel="assert" content="::scroll-markers should be captured by subscrollers when in content-visibility-auto">
<style>
#scroller {
width: 600px;
height: 300px;
overflow: scroll;
scroll-marker-group: after;
}
.subscroller {
scroll-marker-group: after;
overflow: scroll;
width: 600px;
height: 100px;
}
.cv {
content-visibility: auto;
width: 100px;
height: 100px;
}
#scroller::scroll-marker-group {
border: 3px solid black;
padding: 5px;
height: 20px;
display: block;
}
.item {
height: 200px;
}
.item::scroll-marker {
content: "";
width: 10px;
height: 10px;
background-color: blue;
border-radius: 50%;
display: inline-block;
}
.spacer {
height: 10000px;
}
</style>
<div id="scroller">
<div class=cv>
<div class=subscroller>
<div class=item></div> <div class=item></div> <div class=item></div>
</div>
</div>
<div class=item></div> <div class=item></div> <div class=item></div>
<div class=spacer></div>
<div class=cv>
<div class=subscroller>
<div class=item></div> <div class=item></div> <div class=item></div>
</div>
</div>
</div>
|
