| <!DOCTYPE html> | |
| <style> | |
| .before::before { | |
| content: "hello"; | |
| } | |
| .after::after { | |
| content: "world"; | |
| } | |
| .transform::before { | |
| text-transform: uppercase; | |
| } | |
| .transform::after { | |
| text-transform: uppercase; | |
| } | |
| #target { | |
| position: relative; | |
| } | |
| </style> | |
| <div id="target" class="before after"><span style="position: absolute">PASS if no crash or assert.</span></div> | |
| <script> | |
| window.testRunner?.dumpAsText(); | |
| target.offsetHeight; | |
| target.classList.add("transform"); | |
| target.offsetHeight; | |
| </script> |