conditional-container-status.html

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This WPT test may be referenced by the following Test IDs:
- /css/css-contain/container-queries/conditional-container-status.html - WPT Dashboard Interop Dashboard

<!doctype html>

<title>Conditionally removing container status</title>

<link rel="help" href="https://drafts.csswg.org/css-contain-3/#container-type">

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

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

<script src="support/cq-testcommon.js"></script>

<style>

  .parent { width: 300px; }

  .child { width: 100px; }

  .parent, .child { container-type: inline-size; }

  @container (min-width: 200px) {

    .child { container-type: initial; }

    .grandchild { border: 3px solid green }

</style>

<div class="parent">

  <div class="child">

    <div class="grandchild">You should see a green border around this text</div>

  </div>

</div>

<script>

  setup(() => assert_implements_container_queries());

  test(function() {

    let s = getComputedStyle(document.querySelector('.grandchild'));

    assert_equals(s.getPropertyValue('border-color'), 'rgb(0, 128, 0)');

  }, 'Conditionally applying container-type:initial');

</script>