summaryrefslogtreecommitdiffstats
path: root/testing/web-platform/tests/css/css-anchor-position/anchor-scroll-chained-002.tentative.html
blob: 9c60799e0bb40f4fed1d9e19e0091aae3d410bdb (plain)
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
<!DOCTYPE html>
<title>Tests scroll adjustments of element anchored to another anchored element</title>
<link rel="author" href="mailto:wangxianzhu@chromium.org">
<link rel="help" href="https://drafts.csswg.org/css-anchor-1/">
<link rel="match" href="reference/anchor-scroll-chained-002.tentative-ref.html">
<style>
body {
  margin: 0;
}

div {
  width: 100px;
  height: 100px;
}

#scroller1 {
  width: 200px;
  height: 200px;
  position: relative;
}

#scroller1,#scroller2 {
  overflow: scroll;
}

#anchor {
  anchor-name: --a1;
  height: 20px;
  background: orange;
}

#anchored1 {
  position: absolute;
  position-anchor: --a1;
  left: anchor(--a1 left);
  top: anchor(--a1 bottom);
  background: green;
  anchor-name: --a2;
}

#anchored2 {
  position: absolute;
  position-anchor: --a2;
  left: anchor(--a2 left);
  top: anchor(--a2 bottom);
  background: lime;
}

</style>

<div id="scroller1">
  <div style="height: 100px"></div>
  <div id="scroller2">
    <div style="height: 230px"></div>
    <div id="anchor"></div>
    <div style="height: 230px"></div>
  </div>
  <div style="height: 100px"></div>
  <div id="anchored1"></div>
</div>
<div id="anchored2"></div>

<script>
scroller1.scrollTop = 80;
scroller2.scrollTop = 200;
</script>