| <!DOCTYPE html> |
| <style> |
| sub { |
| -webkit-user-select: all; |
| } |
| .div { |
| overflow: scroll; |
| } |
| </style> |
| <script> |
| onload = () => { |
| if (window.testRunner) |
| window.testRunner.dumpAsText(); |
| let div = document.createElement('div'); |
| div.className = 'div'; |
| document.body.appendChild(div); |
| let span0 = document.createElement('span'); |
| document.body.appendChild(span0); |
| span0.appendChild(document.createElement('div')); |
| let span1 = document.createElement('span'); |
| span0.appendChild(span1); |
| div = document.createElement('div'); |
| div.className = 'div'; |
| span1.appendChild(div); |
| div = document.createElement('div'); |
| div.className = 'div'; |
| document.body.appendChild(div); |
| document.designMode = 'on'; |
| document.execCommand('SelectAll'); |
| document.execCommand('Subscript'); |
| document.execCommand('Copy'); |
| document.execCommand('Paste'); |
| document.write("Test passes if it does not crash."); |
| }; |
| </script> |
