| <!doctype html> |
| <title>CSS Selectors nested invalidation through @media by selectorText</title> |
| <link rel="author" title="Steinar H. Gunderson" href="mailto:sesse@chromium.org"> |
| <link rel="help" href="https://drafts.csswg.org/css-nesting-1/"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| |
| <style> |
| .b { |
| color: red; |
| } |
| & { |
| @media screen { |
| &.b { color: green; } |
| } |
| } |
| </style> |
| |
| <div id="elem" class="a b"> |
| Test passes if color is green. |
| </div> |
| |
| <script> |
| test(() => { |
| let elem = document.getElementById('elem'); |
| assert_equals(getComputedStyle(elem).color, 'rgb(255, 0, 0)'); |
| document.styleSheets[0].rules[1].selectorText = '.a'; |
| assert_equals(getComputedStyle(elem).color, 'rgb(0, 128, 0)'); |
| }); |
| </script> |
