JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="https://btldev1.companycollege.com/Scripts/jqueryplugins2/chosen/chosen.css">
<script src="//maxcdn.bootstrapcdn.com/bootstrap/3.2.0/js/bootstrap.min.js"></script>
<link rel="stylesheet" href="//maxcdn.bootstrapcdn.com/bootstrap/3.2.0/css/bootstrap.min.css">
<script src="//cdnjs.cloudflare.com/ajax/libs/knockout/3.1.0/knockout-min.js"></script>
<script src="//cdnjs.cloudflare.com/ajax/libs/chosen/1.1.0/chosen-sprite.png"></script>
<select class="chosen chzn-select" multiple data-bind="options: tagsList, selectedOptions: tagsSelected, chosenTagging: { }"></select>

JavaScript

/*!
Version 1.1.0
*/

(function() {
  var $, AbstractChosen, Chosen, SelectParser, _ref,
    __hasProp = {}.hasOwnProperty,
    __extends = function(child, parent) { for (var key in parent) { if (__hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; };

  SelectParser = (function() {
    function SelectParser() {
      this.options_index = 0;
      this.parsed = [];
    }

    SelectParser.prototype.add_node = function(child) {
      if (child.nodeName.toUpperCase() === "OPTGROUP") {
        return this.add_group(child);
      } else {
        return this.add_option(child);
      }
    };

    SelectParser.prototype.add_group = function(group) {
      var group_position, option, _i, _len, _ref, _results;
      group_position = this.parsed.length;
      this.parsed.push({
        array_index: group_position,
        group: true,
        label: this.escapeExpression(group.label),
        children: 0,
        disabled: group.disabled
      });
      _ref = group.childNodes;
      _results = [];
      for (_i = 0, _len = _ref.length; _i < _len; _i++) {
        option = _ref[_i];
        _results.push(this.add_option(option, group_position, group.disabled));
      }
      return _results;
    };

    SelectParser.prototype.add_option = function(option, group_position, group_disabled) {
      if (option.nodeName.toUpperCase() === "OPTION") {
        if (option.text !== "") {
          if (group_position != null) {
            this.parsed[group_position].children += 1;
          }
          this.parsed.push({
            array_index: this.parsed.length,
            options_index: this.options_index,
            value: option.value,
            text: option.text,
            html: option.innerHTML,
            selected: option.selected,
            disabled: group_disabled === true ? group_disabled :...