| <!DOCTYPE html> | |
| <style> | |
| p:first-child { | |
| display:none; | |
| } | |
| </style> | |
| <script> | |
| if (window.testRunner) | |
| testRunner.dumpAsText(); | |
| </script> | |
| <p>You should see the word 'PASS' below:</p> | |
| <div id="container"> | |
| <p>PASS</p> | |
| </div> | |
| <script> | |
| container.offsetTop; | |
| container.insertBefore(document.createElement("p"), container.querySelector("p")); | |
| </script> |