Firefox: set mouse autoscroll on Linux (2015)

By Xah Lee. Date:

“AutoScroll” lets you middle-click on a empty area to pan-scroll in any direction by moving mouse.

In Firefox Linux, it's not turned on by default.

firefox autoscroll config 2015-11-23
firefox autoscroll about:config

To turn on autoscroll:

  1. In the URL bar, type about:config, press Enter.
  2. In the search box, type “autoscroll”.
  3. Double click to toggle general.autoScroll to true.