JSFiddle - React, Tailwind, and code Playground
HTML
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JavaScript
document.getElementsByTagName('button')[0].onclick = function () {
scrollTo(document.documentElement, 0, 5000);
}
function scrollTo(element, to, duration) {
if (duration < 0) return;
var difference = to - element.scrollTop;
var perTick = difference / duration * 10;
setTimeout(function() {
element.scrollTop = element.scrollTop + perTick;
scrollTo(element, to, duration - 10);
}, 10);
}