import { scrollToTop } from "https://deno.land/x/30_seconds_of_typescript@v1.0.1/util.ts";
Smooth-scrolls to the top of the page.
Get distance from top using document.documentElement.scrollTop
or document.body.scrollTop
.
Scroll by a fraction of the distance from the top. Use window.requestAnimationFrame()
to animate the scrolling.