| <!doctype html> |
| <title>CSS Selectors nested invalidation with :has()</title> |
| <link rel="author" title="Steinar H. Gunderson" href="mailto:[email protected]"> |
| <link rel="help" href="https://drafts.csswg.org/css-nesting-1/"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| |
| <style> |
| .a { |
| color: red; |
| :has(&) { |
| color: green; |
| } |
| } |
| </style> |
| |
| <div id="container"> |
| Test passes if color is green. |
| <div> |
| <div id="child"></div> |
| </div> |
| </div> |
| |
| <script> |
| test(() => { |
| let container = document.getElementById('container'); |
| let child = document.getElementById('child'); |
| assert_equals(getComputedStyle(container).color, 'rgb(0, 0, 0)'); |
| assert_equals(getComputedStyle(child).color, 'rgb(0, 0, 0)'); |
| child.classList.add('a'); |
| assert_equals(getComputedStyle(container).color, 'rgb(0, 128, 0)'); |
| assert_equals(getComputedStyle(child).color, 'rgb(255, 0, 0)'); |
| }); |
| </script> |
