| <!DOCTYPE html> |
| <html> |
| <head> |
| <script> |
| if (window.testRunner) |
| testRunner.dumpAsText(); |
| </script> |
| <style> |
| .one::before { |
| float: left; |
| content: "B"; |
| } |
| .two::before { |
| float: left; |
| content: "A"; |
| } |
| </style> |
| </head> |
| <body> |
| <input style="flex-direction: column;" class="one" type="range"> |
| </body> |
| <script> |
| for (let i = 0; i < 100; ++i) { |
| (i % 2) ? document.querySelector("input").classList = "one" : document.querySelector("input").classList = "two"; |
| document.body.offsetHeight; |
| } |
| </script> |
| <body> |
| <p>Test passes if it does not crash.</p> |
| </body> |
| </html> |
