honeo/scroll-percent
scroll-percent
Element#scrollTop,scrollLeftの%版。
DEMO
$ npm i -S scroll-percent
import {scrollTopPercent, scrollLeftPercent} from 'scroll-percent';
scrollTopPercent(element);
> 0 ~ 100
ご利用は計画的に。
import 'scroll-percent/register';
element.scrollTopPercent();
> 0 ~ 100