You will need to install a user script manager extension to install this script.
A UI toggled by a red line button on the left side is included to control the script completely.
Automatically opens all filtered videos on playlist, search, profile and video pages. This should be used with the rated video filter, for easier browsing of your favorite videos. See description for limitations and notes.
This will spring the popup blocker the first time, so you must disable it for the site.
Firefox's popup blocker is notorious to rise from the dead after allowing x popups even when completely disabled in options. If such happens to you too, follow the following instructions to make it work.
about:configin the address bar and pressing enter.
popupin the search bar.
dom.popup_maximumand change its value to
Since the new playlist browsing feature was added, it has become a chore to browse new content. This filter closes tabs of videos that you have already rated before. This way you can go on a video opening spree in each playlist without concern about opening already seen ones.
Note: Only works on video tabs opened through new tab option / middle mouse button, due to security limitations.
Limitation: GreaseMonkey is unsupported