JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="http://twitter.github.com/bootstrap/assets/css/bootstrap.css">
<script src="http://twitter.github.com/bootstrap/assets/js/bootstrap-transition.js"></script>
<div id="accordion" class="accordion">
    <div class="accordion-group">
        <a href="#body1" data-parent="#accordion" data-toggle="collapse">
            First Item <span class="caret"/>
        </a>
        <div id="body1" class="accordion-body in">First Content</div>
    </div>
    <div class="accordion-group">
        <a href="#body2" data-parent="#accordion" data-toggle="collapse" class="collapsed">
            Second Item <span class="caret"/>
        </a>
        <div id="body2" class="accordion-body collapse">Second Content</div>
    </div>
    <div class="accordion-group">
        <a href="#body3" data-parent="#accordion" data-toggle="collapse" class="collapsed">
            Third Item <span class="caret"/>
        </a>
        <div id="body3" class="accordion-body collapse">Third Content</div>
    </div>
</div>

CSS

.collapsed .caret {
  border-top: 0;
  border-bottom: 4px solid #000000;
}

.accordion .caret {
  margin-top: 8px;
  margin-left: 2px;
}

JavaScript

/* ========================================================================
 * Bootstrap: collapse.js v3.0.0
 * http://twitter.github.com/bootstrap/javascript.html#collapse
 * ========================================================================
 * Copyright 2012 Twitter, Inc.
 *
 * 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 ($) { "use strict";

  // COLLAPSE PUBLIC CLASS DEFINITION
  // ================================

  var Collapse = function (element, options) {
    this.$element      = $(element)
    this.options       = $.extend({}, Collapse.DEFAULTS, options)
    this.transitioning = null

    if (this.options.parent) this.$parent = $(this.options.parent)
    if (this.options.toggle) this.toggle()
  }

  Collapse.DEFAULTS = {
    toggle: true
  }

  Collapse.prototype.dimension = function () {
    var hasWidth = this.$element.hasClass('width')
    return hasWidth ? 'width' : 'height'
  }

  Collapse.prototype.show = function () {
    if (this.transitioning || this.$element.hasClass('in')) return

    var dimension = this.dimension()
    var scroll    = $.camelCase(['scroll', dimension].join('-'))
    var actives   = this.$parent && this.$parent.find('> .accordion-group > .in')

    if (actives && actives.length) {
      var hasData = actives.data('collapse')
      if (hasData && hasData.transitioning) return
      actives.collapse('hide')
      hasData ||...