File: select-initial-focus-display-animation.tentative.html

package info (click to toggle)
thunderbird 1%3A140.5.0esr-1~deb12u1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm-proposed-updates
  • size: 4,609,180 kB
  • sloc: cpp: 7,672,739; javascript: 5,901,898; ansic: 3,898,899; python: 1,413,347; xml: 653,997; asm: 462,284; java: 180,927; sh: 113,491; makefile: 20,463; perl: 14,288; objc: 13,059; yacc: 4,583; pascal: 3,352; lex: 1,720; ruby: 1,222; exp: 762; sql: 715; awk: 580; php: 436; lisp: 430; sed: 70; csh: 10
file content (36 lines) | stat: -rw-r--r-- 984 bytes parent folder | download | duplicates (12)
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
<!DOCTYPE html>
<link rel=author href="mailto:jarhar@chromium.org">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/testdriver.js"></script>
<script src="/resources/testdriver-vendor.js"></script>
<script src="/resources/testdriver-actions.js"></script>

<select>
  <option>option</option>
</select>

<style>
select, ::picker(select) {
  appearance: base-select;
}

::picker(select) {
  transition: display allow-discrete 1s, opacity 1s;
}

select:not(:open)::picker(select) {
  opacity: 0;
}
</style>

<script>
const select = document.querySelector('select');
const option = document.querySelector('option');
promise_test(async () => {
  await test_driver.click(select);
  await new Promise(requestAnimationFrame);
  await new Promise(requestAnimationFrame);
  assert_equals(document.activeElement, option);
}, 'Option initial focus should still work when a display animation is present.');
</script>