| <!DOCTYPE html> | |
| <style id="sheet"> | |
| @keyframes test { to { } } | |
| </style> | |
| <script src="../resources/testharness.js"></script> | |
| <script src="../resources/testharnessreport.js"></script> | |
| <script> | |
| test(() => { | |
| var keyframeRule = document.styleSheets[0].cssRules[0].cssRules[0]; | |
| sheet.remove(); | |
| gc(); | |
| keyframeRule.style.left = '0px'; | |
| }, "Don't crash when mutating @keyframes rules that have been detached from the document."); | |
| </script> |