Search is not pulling anything up, but maybe someone is aware of such a feature or more likely a plugin?

Just the standard button seen on desktop and mobile to ping the user up to the top.

Thanks

Searching for "top" works, although it does list 260 uses of the word so it's not too helpful. Here are two I found, there may be more in the other 9 pages:

 

I use the first one, it works fine on 4.6 even if its for 4.4

 

thanks guys, in the end we just created an html element via js loaded via google tag manager - or so they tell me!