File: template-patchfor-shadow.html

package info (click to toggle)
firefox 145.0.1-1
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 4,653,528 kB
  • sloc: cpp: 7,594,999; javascript: 6,459,658; ansic: 3,752,909; python: 1,403,455; xml: 629,809; asm: 438,679; java: 186,421; sh: 67,287; makefile: 19,169; objc: 13,086; perl: 12,982; 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: 54; csh: 10
file content (23 lines) | stat: -rw-r--r-- 1,031 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
 
<!DOCTYPE HTML>
<meta charset="utf-8" />
<title>HTML partial updates: patching inside a declarative shadow tree</title>
<link rel=help href="https://github.com/WICG/declarative-partial-updates">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>

<div id="placeholder">Old content in light DOM</div>
<div id="container">
    <template shadowrootmode="open">
        <section id="placeholder">Old content in shadow DOM</section>
        <template patchfor="placeholder">New content</template>
    </template>
</div>
<script>
test(() => {
    assert_equals(document.querySelector("#placeholder").innerText, "Old content in light DOM");
    const {shadowRoot} = document.querySelector("#container");
    assert_equals(shadowRoot.querySelector("#placeholder").innerText, "New content");
    assert_equals(shadowRoot.querySelector("template[patchfor=placeholder]"), null);
}, "<template patchfor> inside a <template shadowrootmode> should apply directly to its target");

</script>