JSFiddle - React, Tailwind, and code Playground

by Amens

HTML

<div class="draggable dragscroll">
<img src="https://placeimg.com/1200/1200/any"/>
</div>

CSS

.draggable {
  width: 500px;
  height: 400px;
  overflow: auto;
}

JavaScript

/**
 * @fileoverview dragscroll - scroll area by dragging
 * @version 0.0.8
 * 
 * @license MIT, see http://github.com/asvd/dragscroll
 * @copyright 2015 asvd <[email protected]> 
 */


(function (root, factory) {
    if (typeof define === 'function' && define.amd) {
        define(['exports'], factory);
    } else if (typeof exports !== 'undefined') {
        factory(exports);
    } else {
        factory((root.dragscroll = {}));
    }
}(this, function (exports) {
    var _window = window;
    var _document = document;
    var mousemove = 'mousemove';
    var mouseup = 'mouseup';
    var mousedown = 'mousedown';
    var EventListener = 'EventListener';
    var addEventListener = 'add'+EventListener;
    var removeEventListener = 'remove'+EventListener;
    var newScrollX, newScrollY;

    var dragged = [];
    var reset = function(i, el) {
        for (i = 0; i < dragged.length;) {
            el = dragged[i++];
            el = el.container || el;
            el[removeEventListener](mousedown, el.md, 0);
            _window[removeEventListener](mouseup, el.mu, 0);
            _window[removeEventListener](mousemove, el.mm, 0);
        }

        // cloning into array since HTMLCollection is updated dynamically
        dragged = [].slice.call(_document.getElementsByClassName('dragscroll'));
        for (i = 0; i < dragged.length;) {
            (function(el, lastClientX, lastClientY, pushed, scroller, cont){
                (cont = el.container || el)[addEventListener](
                    mousedown,
                    cont.md = function(e) {
                        if (!el.hasAttribute('nochilddrag') ||
                            _document.elementFromPoint(
                                e.pageX, e.pageY
                            ) == cont
                        ) {
                            pushed = 1;
                            lastClientX = e.clientX;
                            lastClientY = e.clientY;

                           ...