ngx-scrolltop
Lightweight, Material Design inspired button for scroll-to-top of the page. No dependencies. Pure Angular!
overflowandroid
Implement the inertia scroll for `overflow` element. And the polyfill for `overflow:scroll` / `overflow:auto` and `element.scrollLeft` / `element.scrollTop` on Android browser.
jquery-goup
A simple jQuery plugin that let users go back to the top of a web page.