File: host-part-nesting.html

package info (click to toggle)
firefox 149.0-1
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 4,767,760 kB
  • sloc: cpp: 7,416,064; javascript: 6,752,859; ansic: 3,774,850; python: 1,250,473; xml: 641,578; asm: 439,191; java: 186,617; sh: 56,634; makefile: 18,856; objc: 13,092; perl: 12,763; pascal: 5,960; yacc: 4,583; cs: 3,846; lex: 1,720; ruby: 1,002; php: 436; lisp: 258; awk: 105; sql: 66; sed: 53; csh: 10; exp: 6
file content (31 lines) | stat: -rw-r--r-- 916 bytes parent folder | download 
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
 
<!doctype html>
<title>CSS Shadow Parts - :host::part() in nesting</title>
<link rel="help" href="https://drafts.csswg.org/css-shadow/#part">
<link rel="help" href="https://drafts.csswg.org/css-shadow/#host-selector">
<link rel="help" href="https://crbug.com/326526716">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<div id="host"></div>
<script>
test(function() {
  let host = document.getElementById("host");
  host.attachShadow({ mode: "open" }).innerHTML = `
    <style>
      :host {
        &::part(mypart) {
          color: lime;
        }
      }
    </style>
    <div part="mypart">This text should be green.</div>
  `;

  let part = host.shadowRoot.querySelector("[part]");

  assert_equals(
    window.getComputedStyle(part).color,
    "rgb(0, 255, 0)",
    ":host::part() works in nesting",
  );
}, ":host::part works in nesting");
</script>