| <!DOCTYPE html> | |
| <title>Crash when transitioning on a table-row-group element with pending substitution</title> | |
| <link rel="help" href="https://crbug.com/444818221"> | |
| <style> | |
| optgroup { | |
| display: contents; | |
| writing-mode: vertical-lr; | |
| } | |
| option { | |
| display: table-row-group; | |
| transition: color 1s; | |
| --p: 2px; | |
| padding-inline: var(--p); | |
| } | |
| </style> | |
| <select> | |
| <optgroup> | |
| <option id="opt"></option> | |
| </optgroup> | |
| </select> | |
| <script> | |
| opt.offsetTop; | |
| opt.style.setProperty("color", "red"); | |
| opt.offsetTop; | |
| </script> |