no-browsing-context.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/semantics/document-metadata/the-style-element/no-browsing-context.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<meta charset="utf-8">

<title>Style should not apply with no browsing context</title>

<!-- https://github.com/whatwg/html/issues/4547 -->

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<script>

"use strict";

test(() => {

  const doc = document.implementation.createHTMLDocument();

  const style = document.createElement("style");

  style.textContent = `

    p { color: red; }

`;

  doc.head.appendChild(style);

  doc.body.appendChild(doc.createElement("p"));

  assert_equals(window.getComputedStyle(doc.querySelector("p")).color, "");

}, "no impact on getComputedStyle");

test(() => {

  const doc = document.implementation.createHTMLDocument();

  const style = doc.createElement("style");

  style.textContent = '@import url("/css/support/a-green.css");';

  doc.head.append(style);

  assert_equals(style.parentNode, doc.head);

}, "Inserting an importing style without a browsing context does not throw");

</script>