JSFiddle - React, Tailwind, and code Playground

HTML

<br><br>
<div id="sliderDiv">
    <input id="mySlider" type="text"/> 
</div>
<span></span><br>
<button id="changeSliderMax">Change slider max</button>

CSS

/*!
 * Bootstrap v3.0.3 (http://getbootstrap.com)
 * Copyright 2013 Twitter, Inc.
 * Licensed under http://www.apache.org/licenses/LICENSE-2.0
 */

/*! normalize.css v2.1.3 | MIT License | git.io/normalize */

article,
aside,
details,
figcaption,
figure,
footer,
header,
hgroup,
main,
nav,
section,
summary {
  display: block;
}

audio,
canvas,
video {
  display: inline-block;
}

audio:not([controls]) {
  display: none;
  height: 0;
}

[hidden],
template {
  display: none;
}

html {
  font-family: sans-serif;
  -webkit-text-size-adjust: 100%;
      -ms-text-size-adjust: 100%;
}

body {
  margin: 0;
}

a {
  background: transparent;
}

a:focus {
  outline: thin dotted;
}

a:active,
a:hover {
  outline: 0;
}

h1 {
  margin: 0.67em 0;
  font-size: 2em;
}

abbr[title] {
  border-bottom: 1px dotted;
}

b,
strong {
  font-weight: bold;
}

dfn {
  font-style: italic;
}

hr {
  height: 0;
  -moz-box-sizing: content-box;
       box-sizing: content-box;
}

mark {
  color: #000;
  background: #ff0;
}

code,
kbd,
pre,
samp {
  font-family: monospace, serif;
  font-size: 1em;
}

pre {
  white-space: pre-wrap;
}

q {
  quotes: "\201C" "\201D" "\2018" "\2019";
}

small {
  font-size: 80%;
}

sub,
sup {
  position: relative;
  font-size: 75%;
  line-height: 0;
  vertical-align: baseline;
}

sup {
  top: -0.5em;
}

sub {
  bottom: -0.25em;
}

img {
  border: 0;
}

svg:not(:root) {
  overflow: hidden;
}

figure {
  margin: 0;
}

fieldset {
  padding: 0.35em 0.625em 0.75em;
  margin: 0 2px;
  border: 1px solid #c0c0c0;
}

legend {
  padding: 0;
  border: 0;
}

button,
input,
select,
textarea {
  margin: 0;
  font-family: inherit;
  font-size: 100%;
}

button,
input {
  line-height: normal;
}

button,
select {
  text-transform: none;
}

button,
html input[type="button"],
input[type="reset"],
input[type="submit"] {
  cursor: pointer;
  -webkit-appearance: button;
}

button[disabled],
html input[disabled] {
  cursor: default;
}

input[type="checkbox"],
input[type="radio"] {
  padding:...

JavaScript

//===========
// Your code
//===========
$(document).ready(function() {
    $slider = $('#mySlider');
    $slider.slider().on('slide', function() {
        $('span').text($slider.data('slider').getValue());
    });
    $('span').text($slider.data('slider').getValue());
    
    $btn = $('#changeSliderMax');
    $btn.click(function() {
    
        // should be:
        // var value = $slider.slider('getValue');
        // but this doesn't work
        var value = $slider.data('slider').getValue();
        
        $slider.data('slider').max = 100;
        $slider.slider('setValue', value);
    });
});

// End of your code


//Just because cant find a CDN for slider plugin:
/* =========================================================
 * bootstrap-slider.js v2.0.0
 * http://www.eyecon.ro/bootstrap-slider
 * =========================================================
 * Copyright 2012 Stefan Petre
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * ========================================================= */
 
!function( $ ) {

	var Slider = function(element, options) {
		this.element = $(element);
		this.picker = $('<div class="slider">'+
							'<div class="slider-track">'+
								'<div class="slider-selection"></div>'+
								'<div class="slider-handle"></div>'+
								'<div class="slider-handle"></div>'+
							'</div>'+
							'<div class="tooltip"><div class="tooltip-arrow"></div><div...