getComputedStyle-root-variables.html

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This WPT test may be referenced by the following Test IDs:
- /css/cssom/getComputedStyle-root-variables.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<meta charset="utf-8">

<title>getComputedStyle with CSS variables on :root</title>

<link rel="help" href="https://drafts.csswg.org/css-variables-1/">

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

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

<!-- Regression test for https://github.com/jsdom/jsdom/issues/3563 -->

<style>

  :root { --test-var: red; }

</style>

<body>

<script>

"use strict";

test(() => {

  const computedStyles = window.getComputedStyle(document.body);

  assert_equals(computedStyles.getPropertyValue("--test-var"), "red");

}, "getComputedStyle should return CSS variables defined on :root");

</script>