File: host-part-003.html

package info (click to toggle)
firefox 143.0.3-1
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 4,617,328 kB
  • sloc: cpp: 7,478,492; javascript: 6,417,157; ansic: 3,720,058; python: 1,396,372; xml: 627,523; asm: 438,677; java: 186,156; sh: 63,477; makefile: 19,171; objc: 13,059; perl: 12,983; yacc: 4,583; cs: 3,846; pascal: 3,405; lex: 1,720; ruby: 1,003; exp: 762; php: 436; lisp: 258; awk: 247; sql: 66; sed: 53; csh: 10
file content (29 lines) | stat: -rw-r--r-- 973 bytes parent folder | download | duplicates (4) 
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
 
<!DOCTYPE html>
<title>CSS Shadow Parts - :host::part() not matching in inner scope</title>
<link rel="help" href="https://drafts.csswg.org/css-shadow-parts/#part">
<link rel="help" href="https://drafts.csswg.org/css-scoping/#host-selector">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<div id="outer">
  <template shadowrootmode="open">
    <style>
      :host::part(x) {
        color: red;
      }
    </style>
    <div id="inner">
      <template shadowrootmode="open">
        <style>
          p { color: green; }
        </style>
        <p part="x">This should not be red</p>
      </template>
    </div>
  </template>
</div>
<script>
  test(() => {
    const part = outer.shadowRoot.querySelector("#inner").shadowRoot.querySelector("p");
    assert_equals(getComputedStyle(part).color, "rgb(0, 128, 0)");
  }, ":host::part() should only match when the part is in the same tree as the rule");
</script>