File: conditional-rules.html

package info (click to toggle)
thunderbird 1%3A91.13.0-1~deb11u1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 2,953,400 kB
  • sloc: cpp: 6,084,049; javascript: 4,790,441; ansic: 3,341,496; python: 862,958; asm: 366,542; xml: 204,277; java: 152,477; sh: 111,436; makefile: 21,388; perl: 15,312; yacc: 4,583; objc: 3,026; lex: 1,720; exp: 762; pascal: 635; awk: 564; sql: 453; php: 436; lisp: 432; ruby: 99; sed: 69; csh: 45
file content (43 lines) | stat: -rw-r--r-- 1,180 bytes parent folder | download | duplicates (26) 
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
 
<!DOCTYPE html>
<link rel="help" href="https://drafts.css-houdini.org/css-properties-values-api-1/#conditional-rules">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>

<script>
  CSS.registerProperty({
    name: '--length',
    syntax: '<length>',
    initialValue: '0px',
    inherits: false
  });
</script>

<style>
  #target { color: red; }
  @supports(--length: green) {
    #target { color: rgb(1, 2, 3); }
  }
</style>

<div id=target></div>

<script>

test(function() {
  let cs = getComputedStyle(target);
  assert_equals(cs.getPropertyValue('color'), 'rgb(1, 2, 3)');
}, '@supports should ignore registered syntax');

test(function() {
  assert_true(CSS.supports('--length: red'));
  assert_true(CSS.supports('--length: 10px'));
  assert_true(CSS.supports('--length: anything, really'));
}, 'CSS.supports(conditionText) should ignore registered syntax');

test(function() {
  assert_true(CSS.supports('--length', 'red'));
  assert_true(CSS.supports('--length', '10px'));
  assert_true(CSS.supports('--length', ' anything, really'));
}, 'CSS.supports(property, value) should ignore registered syntax');

</script>