In T16501#6400883, @Demian wrote:

In T16501#6400658, @VivekMalhan666 wrote:

I would suggest we make a new button embedded at top of the sidebar and use a global script to toggle the sidebar to provide full screen mode.

This can be moderately easily done with the current skin, see:
http://demian-demo.epizy.com/wiki/?uselimitedwidth=0
Sidebar hiding button is in the top left corner.

The second demo looks much better though

I would suggest we make a new button embedded at top of the sidebar and use a global script to toggle the sidebar to provide full screen mode.

for collapsible side bar can't we use pure js and css ??