blob: fad3db62a31e535aa943b9709ebc4bb4f02f6e4d (
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
|
<!DOCTYPE html>
<title>CSS Anchor Positioning Test: Dynamically change position via position-try-options property</title>
<link rel="help" href="https://drafts.csswg.org/css-anchor-1/#fallback">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<style>
body { margin: 0; }
@position-try --fallback1 {
left: anchor(--a1 right);
}
#anchor {
anchor-name: --a1;
width: 100px;
height: 100px;
}
#anchored {
position: absolute;
left: 999999px; /* Force fallback */
width: 100px;
height: 100px;
}
</style>
<div id="anchor"></div>
<div id="anchored"></div>
<script>
test(() => {
assert_equals(anchored.offsetLeft, 999999);
}, "Initial static left position is 0");
test(() => {
anchored.style.positionTryOptions = "--fallback1";
assert_equals(anchored.offsetLeft, 100);
}, "Left position set to right edge of anchor with @position-try");
</script>
|
