| <!DOCTYPE html> | |
| <style> | |
| #target::-webkit-scrollbar { position: absolute; } | |
| #target.crash::-webkit-scrollbar { right: 0 } | |
| </style> | |
| <div id="target" style="width: 100px; height: 100px; overflow: auto;"><div style="height: 200px;"></div></div> | |
| <script> | |
| document.body.offsetTop; | |
| document.getElementById('target').classList.add('crash'); | |
| </script> |