ParentNode-querySelector-scope.html

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This WPT test may be referenced by the following Test IDs:
- /dom/nodes/ParentNode-querySelector-scope.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<meta charset="utf-8">

<title>querySelector(All) scoped to a root element</title>

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

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

<div><h1 id="test"></h1><p><span>hello</span></p></div>

<script>

"use strict";

const div = document.querySelector("div");

const p = document.querySelector("p");

test(() => {

  assert_equals(div.querySelector(":scope > p"), p);

  assert_equals(div.querySelector(":scope > span"), null);

}, "querySelector with :scope");

test(() => {

  assert_equals(div.querySelector("#test + p"), p);

  assert_equals(p.querySelector("#test + p"), null);

}, "querySelector with id and sibling");

test(() => {

  assert_array_equals(div.querySelectorAll(":scope > p"), [p]);

  assert_array_equals(div.querySelectorAll(":scope > span"), []);

}, "querySelectorAll with :scope");

test(() => {

  assert_array_equals(div.querySelectorAll("#test + p"), [p]);

  assert_array_equals(p.querySelectorAll("#test + p"), []);

}, "querySelectorAll with id and sibling");

</script>