| <!DOCTYPE html> | |
| <html hidden> | |
| <head> | |
| <style> | |
| html, head, style { | |
| display: block; | |
| } | |
| </style> | |
| </head> | |
| <script> | |
| document.designMode = "on"; | |
| document.execCommand("selectAll"); | |
| document.execCommand("italic"); | |
| document.execCommand("justifyLeft"); | |
| document.documentElement.removeAttribute("hidden"); | |
| </script> | |
| <body> | |
| This test passes if it does not crash. | |
| </body> | |
| </html> |