1 First, open this page in a brand new window (right click this link, and select "open link in new window" if necessary) so that there is no browser history, and the back button is disabled (if the back button is clickable, it will complicate the example).

Tested in Safari Version 4.0.4 (5531.21.10) / Chrome / WebKit nightly r51669. Submitted to WebKit Bugzilla as Bug 32156.

The Iframe