| This iframe should have a border.<br> | |
| <iframe frameborder="1" src="about:blank"></iframe><br> | |
| This iframe should not.<br> | |
| <iframe frameborder="0" src="about:blank"></iframe><br> | |
| This iframe should have a border.<br> | |
| <iframe frameborder="0" style="border:2px inset" src="about:blank"></iframe> |