Md. Toriqul Mowla

Usually after we set up a basic theme, we miss a scroll to top icon with a functionality of scrollTop after a single click. 
This plugin will help you about this.. Just Install it and enjoy.
Plugin Demo: <a href="http://dreamwebit.com" rel="nofollow ugc">WPBatch</a>
Just visit the Plugin Demo site and scroll Down

WPBatch Scroll to Top

Andrey

Scroll Top is a WordPress plugin which make scroll to top customizable button. 
The plugin has differents settings, such as: 
Color, position, start scroling, form, type of arrow

Ashch-scrollTop

Scroll Top is a WordPress plugin which make scroll to top customizable button.

WPBatch Scroll to Top vs Ashch-scrollTop