JSFiddle - React, Tailwind, and code Playground

HTML

<div id="iscroll-wrapper-grid">
    <ul class="grid-menu">
        <li>works</li>
        <li>works</li>
        <li>works</li>
        <li>works</li>
        <li>works</li>
        <li>works</li>
        <li>works</li>
        <li>This bounce back</li>
    </ul>
</div>

CSS

#iscroll-wrapper-grid {
    height:100px;
    overflow:hidden;
}

JavaScript

/*!
 * iScroll v4.2.5 ~ Copyright (c) 2012 Matteo Spinelli, http://cubiq.org
 * Released under MIT license, http://cubiq.org/license
 */
(function(window, doc){
var m = Math,
	dummyStyle = doc.createElement('div').style,
	vendor = (function () {
		var vendors = 't,webkitT,MozT,msT,OT'.split(','),
			t,
			i = 0,
			l = vendors.length;

		for ( ; i < l; i++ ) {
			t = vendors[i] + 'ransform';
			if ( t in dummyStyle ) {
				return vendors[i].substr(0, vendors[i].length - 1);
			}
		}

		return false;
	})(),
	cssVendor = vendor ? '-' + vendor.toLowerCase() + '-' : '',

	// Style properties
	transform = prefixStyle('transform'),
	transitionProperty = prefixStyle('transitionProperty'),
	transitionDuration = prefixStyle('transitionDuration'),
	transformOrigin = prefixStyle('transformOrigin'),
	transitionTimingFunction = prefixStyle('transitionTimingFunction'),
	transitionDelay = prefixStyle('transitionDelay'),

    // Browser capabilities
	isAndroid = (/android/gi).test(navigator.appVersion),
	isIDevice = (/iphone|ipad/gi).test(navigator.appVersion),
	isTouchPad = (/hp-tablet/gi).test(navigator.appVersion),

    has3d = prefixStyle('perspective') in dummyStyle,
    hasTouch = 'ontouchstart' in window && !isTouchPad,
    hasTransform = vendor !== false,
    hasTransitionEnd = prefixStyle('transition') in dummyStyle,

	RESIZE_EV = 'onorientationchange' in window ? 'orientationchange' : 'resize',
	START_EV = hasTouch ? 'touchstart' : 'mousedown',
	MOVE_EV = hasTouch ? 'touchmove' : 'mousemove',
	END_EV = hasTouch ? 'touchend' : 'mouseup',
	CANCEL_EV = hasTouch ? 'touchcancel' : 'mouseup',
	TRNEND_EV = (function () {
		if ( vendor === false ) return false;

		var transitionEnd = {
				''			: 'transitionend',
				'webkit'	: 'webkitTransitionEnd',
				'Moz'		: 'transitionend',
				'O'			: 'otransitionend',
				'ms'		: 'MSTransitionEnd'
			};

		return transitionEnd[vendor];
	})(),

	nextFrame = (function() {
		return window.requestAnimationFrame...