When to use target=“_self”

Question

When does the _self frame target becomes useful or worth using it?

Isn\'t it (always?) the default behavior?

Answer 1

Was very handy for me when I had a page I wanted to load into Firefox's sidebar. I wanted any links clicked to stay in the sidebar instead of opening the links in the main window. Adding the above to the fixed me right up and all the page's links stay within the sidebar.