template-contentmethod-prepend-invalid-ref.html

Enable keyboard shortcuts

This test has a WPT meta file that expects 1 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /html/dom/partial-updates/tentative/template-contentmethod-prepend-invalid-ref.html - WPT Dashboard Interop Dashboard

<!DOCTYPE HTML>

<meta charset="utf-8" />

<title>HTML partial updates - declarative prepend element</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" contentname="placeholder"><span id="ref">old</span>content</div>

<template contentmethod="prepend">

    <div contentname="placeholder"><span>New </span><script id="removal-script">

            document.querySelector("#ref").remove();

        </script><span>Junk </span></div>

</template>

<script>

test(() => {

    document.querySelector("#removal-script").remove();

    assert_equals(document.getElementById("placeholder").textContent, "New content");

}, "If the first node is no longer a child of the parent during prepend, next insertions abort");

</script>