File: host-specificity-003.html

package info (click to toggle)
firefox 144.0-1
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 4,637,504 kB
  • sloc: cpp: 7,576,692; javascript: 6,430,831; ansic: 3,748,119; python: 1,398,978; xml: 628,810; asm: 438,679; java: 186,194; sh: 63,212; makefile: 19,159; objc: 13,086; perl: 12,986; yacc: 4,583; cs: 3,846; pascal: 3,448; lex: 1,720; ruby: 1,003; exp: 762; php: 436; lisp: 258; awk: 247; sql: 66; sed: 53; csh: 10
file content (26 lines) | stat: -rw-r--r-- 857 bytes parent folder | download | duplicates (28) 
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
 
<!doctype html>
<meta charset="utf-8">
<title>CSS Test: the :host() selector affects specificity</title>
<link rel="author" title="Emilio Cobos Álvarez" href="mailto:emilio@crisal.io">
<link rel="author" title="Mozilla" href="https://mozilla.org">
<link rel="help" href="https://drafts.csswg.org/css-scoping/#host-selector">
<link rel="help" href="https://github.com/w3c/csswg-drafts/issues/1915">
<link rel="help" href="https://bugzil.la/1454165">
<link rel="match" href="reference/green-box.html">
<p>Test passes if you see a single 100px by 100px green box below.</p>
<div id="host"></div>
<script>
  host.attachShadow({ mode: 'open' }).innerHTML = `
    <style>
      :host(*) div {
        width: 100px;
        height: 100px;
        background: green;
      }
      div {
        background: red;
      }
    </style>
    <div></div>
  `;
</script>