<!DOCTYPE html> <html> <meta charset="utf-8"> <title>CSS Containment Module Level 1: getComputedStyle().contain</title> <link rel="help" href="https://drafts.csswg.org/css-contain/#contain-property"> <meta name="assert" content="computed contain value for children should ignore container contain value."> <div id="container"><div id="target"></div></div> <script src="/resources/testharness.js"></script> <script src="/resources/testharnessreport.js"></script> <script> test(() => { ['none', 'style', 'layout', 'paint', 'size', 'strict', 'content'].forEach(value => { container.style.contain = value; assert_equals(getComputedStyle(target).contain, "none"); }); }, "computed contain value for children should ignore container contain value"); </script>