I have a select box that calls window.open(url)
when an item is selected. Firefox will open the page in a new tab by default. However, I would like the page t
You shouldn't need to. Allow the user to have whatever preferences they want.
Firefox does that by default because opening a page in a new window is annoying and a page should never be allowed to do so if that is not what is desired by the user. (Firefox does allow you to open tabs in a new window if you set it that way).