Pulltab Fullscreen - hide taskbar автор Justnotthisway

this addon will give you a pulltab on the right side of your screen, it will put any website into fullscreen aka hide the address-bar. this will save space on mobile devices and also make the user experience of most websites more similar to their standalone apps.

Version 1.1 (current) Features:
- Pulltab ontop of normal website that allows you to go fullscreen, and hide the taskbar at any time

• longpress the pulltab to move it and bring up the contextmenu
• in contextmenu, press the "<->" button to switch between left and right side of display for alignment.
• in contextmenu, press the "<-" button to close it.

source code can be found here:
https://github.com/Justnotthisway/firefox-pulltab-fullscreen