| <style> | |
| .display-when-first-child { display: none; } | |
| .display-when-first-child:first-child { display: block; } | |
| </style> | |
| <div id="test"></div> | |
| <div class="display-when-first-child">PASS</div> | |
| <script> | |
| document.body.removeChild(test); | |
| if (window.testRunner) | |
| testRunner.dumpAsText(); | |
| </script> |