| <!DOCTYPE html> | |
| <style> | |
| #target::before { content: "FAIL (string) "; } | |
| </style> | |
| <div id="target">test</div> | |
| <script> | |
| onload = function(){ | |
| target.setAttribute("my-attr", "FAIL (attribute) "); | |
| target.offsetTop; | |
| document.styleSheets[0].cssRules[0].style.content = "attr(my-attr)"; | |
| target.setAttribute("my-attr", "PASS "); | |
| }; | |
| </script> |