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
|
<!DOCTYPE html>
<meta charset="utf-8">
<title>:has() invalidation for wiping an element by means of innerHTML</title>
<link rel="author" title="Byungwoo Lee" href="mailto:blee@igalia.com">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<link rel="help" href="https://drafts.csswg.org/selectors/#relational">
<style>
div, main { color: grey }
.subject:has(.descendant) { color: green}
</style>
<main id=main>
<div id="subject" class="subject"></div>
</main>
<script>
let grey = 'rgb(128, 128, 128)';
let green = 'rgb(0, 128, 0)';
function test_div(test_name, el, color) {
test(function() {
assert_equals(getComputedStyle(el).color, color);
}, test_name + ': div#' + el.id + '.color');
}
test_div('initial color', subject, grey);
subject.innerHTML = "This is a text <div><div class='descendant'></div></div>";
test_div('color after inserting text and div > .descendant', subject, green);
subject.innerHTML = "This is a text";
test_div('color after wiping #child to remove div > .descendant', subject, grey);
subject.innerHTML = "<div id='child'> This is a text <div class='descendant'></div></div>";
test_div('color after inserting text and #child > .descendant', subject, green);
child.innerHTML = "This is a text";
test_div('color after wiping #child to remove .descendant', subject, grey);
</script>
|
