ParentNode-querySelector-All-comma-selector.html

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

<!DOCTYPE html>

<title>Comma selector</title>

<meta charset="utf-8">

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

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

<!-- Regression test for https://github.com/jsdom/jsdom/issues/3706 -->

<!-- Regression test for https://github.com/jsdom/jsdom/issues/2680 -->

<h1>Hello world</h1>

<h2>Goodbye, world</h2>

<script>

"use strict";

test(() => {

  assert_equals(document.querySelectorAll("h1,h2").length, 2);

}, "Basic comma-separated selector");

test(() => {

  const el = document.createElement("div");

  const selector = ".foo, .foo, .bar";

  const results1 = el.querySelectorAll(selector);

  assert_equals(results1.length, 0);

  const results2 = el.querySelectorAll(selector);

  assert_equals(results2.length, 0);

}, "Repeated identical querySelectorAll calls with repeated selectors should work on empty elements");

</script>