JSFiddle - React, Tailwind, and code Playground

by pj_js15

HTML

<script src="//netdna.bootstrapcdn.com/bootstrap/3.0.0/js/bootstrap.min.js"></script>
<!-- Fixed navbar -->
    <div class="navbar navbar-inverse navbar-fixed-top">
      <div class="container">
        <div class="navbar-header">
          <button type="button" class="navbar-toggle" data-toggle="collapse" data-target=".navbar-collapse">
            <span class="icon-bar"></span>
            <span class="icon-bar"></span>
            <span class="icon-bar"></span>
          </button>
          <a class="navbar-brand" href="#">Bootstrap theme</a>
        </div>
        <div class="navbar-collapse collapse">
          <ul class="nav navbar-nav">
            <li class="dropdown">
              <a href="#" class="dropdown-toggle" data-toggle="dropdown">Themes <b class="caret"></b></a>
              <ul class="dropdown-menu">
                <li><a href="#" data-theme="default" class="theme-link">Default</a></li>
                <li><a href="#" data-theme="amelia" class="theme-link">Amelia</a></li>
                <li><a href="#" data-theme="cerulean" class="theme-link">Cerulean</a></li>
                <li><a href="#" data-theme="cosmo" class="theme-link">Cosmo</a></li>
                <li><a href="#" data-theme="cyborg" class="theme-link">Cyborg</a></li>
                <li><a href="#" data-theme="flatly" class="theme-link">Flatly</a></li>
                <li><a href="#" data-theme="journal" class="theme-link">Journal</a></li>
                <li><a href="#" data-theme="readable" class="theme-link">Readable</a></li>
                <li><a href="#" data-theme="simplex" class="theme-link">Simplex</a></li>
                 <li><a href="#" data-theme="slate" class="theme-link">Slate</a></li>
                  <li><a href="#" data-theme="spacelab" class="theme-link">Spacelab</a></li>
                  <li><a href="#" data-theme="united" class="theme-link">United</a></li>
              </ul>
            </li>
          </ul>
        </div><!--/.nav-collapse -->
     ...

JavaScript

var themes = {
    "default": "//netdna.bootstrapcdn.com/bootstrap/3.0.0/css/bootstrap.min.css",
    "amelia" : "//bootswatch.com/3/amelia/bootstrap.min.css",
    "cerulean" : "//bootswatch.com/2/cerulean/bootstrap.min.css",
    "cosmo" : "//bootswatch.com/2/cosmo/bootstrap.min.css",
    "cyborg" : "//bootswatch.com/2/cyborg/bootstrap.min.css",
    "flatly" : "//bootswatch.com/2/flatly/bootstrap.min.css",
    "journal" : "//bootswatch.com/2/journal/bootstrap.min.css",
    "readable" : "//bootswatch.com/2/readable/bootstrap.min.css",
    "simplex" : "//bootswatch.com/2/simplex/bootstrap.min.css",
    "slate" : "//bootswatch.com/2/slate/bootstrap.min.css",
    "spacelab" : "//bootswatch.com/2/spacelab/bootstrap.min.css",
    "united" : "//bootswatch.com/2/united/bootstrap.min.css"
}
$(function(){
   var themesheet = $('<link href="'+themes['default']+'" rel="stylesheet" />');
    themesheet.appendTo('head');
    $('.theme-link').click(function(){
       var themeurl = themes[$(this).attr('data-theme')]; 
        themesheet.attr('href',themeurl);
    });
});