Click the button promising to be careful or accepting the risk. (1) In a new tab, type or paste '''about:config''' in the address bar and press Enter/Return. To force scripts to launch new windows in a new tab, you may need to modify a setting. * If it's a normal window, there may be a script attached to the link. Typically you would recognize these as "dialog" style because most of the toolbar is missing and you do not have a tabs bar. * Firefox may not be able to open a new tab in certain kinds of pop-up windows. * Any system: type or paste '''about:preferences''' into the address bar and press Enter/Return to load it * Linux: "3-bar" menu button (or Edit menu) > Preferences * Mac: "3-bar" menu button (or Firefox menu) > Preferences * Windows: "3-bar" menu button (or Tools menu) > Options To return to normal if things go haywire, right-click each "modified" preference and choose Reset. 1 = open external links in the last active tab replacing the current page.2 = open external links in a new window.3 = open external links in a new tab in the last active window.0 = apply the setting under (A) to ALL new windows (even script windows) Reset to restore the default).3 = divert new window to a new tab (default) Reset to restore the default.(A) _newwindow - for links in Firefox tabs (2) In the search box above the list, type or paste neww and pause while the list is filtered (1) In a new tab, type or paste about:config in the address bar and press Enter/Return. If it's a normal window, there may be a script attached to the link.Firefox may not be able to open a new tab in certain kinds of pop-up windows.Firefox does make an exception in some cases: Scroll down to the Tabs section and make sure the box is checked for "Open new windows in a new tab instead" Any system: type or paste about:preferences into the address bar and press Enter/Return to load it.Linux: "3-bar" menu button (or Edit menu) > Preferences.Mac: "3-bar" menu button (or Firefox menu) > Preferences.Windows: "3-bar" menu button (or Tools menu) > Options.Some of the icons used by various web sites appear below.The basic setting is on the Options page. Authors can add this information to links by placing it in parenthesis at the end of the link, for example by saying "Biographical sketch (opens new window)." Some sites use icons to convey this same message. It is up to the authors to alert the users. Then when the try to click on the Back button in the browser, nothing happens, because there is no previous link to go back to in a new window or tab.Īs with links to non-HTML files, browsers could potentially perform the function of alerting users, but current browsers do not perform this functionality. Sighted users can see the new window open, but users with cognitive disabilities may have difficulty interpreting what just happened. Older screen readers do not alert the user at all. Newer screen readers alert the user when a link opens a new window, though only after the user clicks on the link. The accessibility issue is that some users can get confused with the new windows or tabs. Others concede that they can be appropriate at times, but nearly everyone agrees that users ought to be alerted when the link does not open in the current window or frame. Some people would like to ban them entirely. There is much debate about the merits of links that open in new windows, pop-up windows, or other frames. Links to New Windows, Pop-ups, Other Frames, or External Web Sites
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