转载自: http://diveintoaccessibility.org/day_16_not_opening_new_windows.html
Day 16: Not opening new windows
The one thing every web user understands is the "Back" button. It's an integral part of browsing the web. Follow a link, go back. Explore a search engine result, go back. Even my father can do this, and he's still excited when he can double-click the "Internet" icon successfully on the first try.
In all dominant browsers, using the tag to force a link to open in a new window breaks the Back button. The new window does not retain the browser history of the previous window, so the "Back" button is disabled. This is incredibly confusing, even for me, and I've been using the web for 10 years. In 2002, it's amazing that people still do this. Don't do this. Don't force links to open in new windows.
Please note that this tip is about you as a web designer, not you as a web user. If you want to open new windows while you browse, go right ahead. In Internet Explorer for Windows, hold down the Shift key while you click a link to open the link in a new window. In Netscape 6 and Mozilla, hold down Control. In Internet Explorer for Mac, hold down Command. (Some browsers such as Opera support advanced combinatio