JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="http://code.jquery.com/ui/1.10.4/themes/smoothness/jquery-ui.css">
<script src="http://code.jquery.com/ui/1.10.4/jquery-ui.js"></script>
<div id="dialog" title="Tab data">
  <form>
    <fieldset class="ui-helper-reset">
      <label for="tab_title">Title</label>
      <input type="text" name="tab_title" id="tab_title" value="" class="ui-widget-content ui-corner-all">
      <label for="tab_content">Content</label>
      <textarea name="tab_content" id="tab_content" class="ui-widget-content ui-corner-all"></textarea>
    </fieldset>
  </form>
</div>
 
<button id="add_tab">Add Tab</button>
 
<div id="tabs">
  <ul>
    <li><a href="#tabs-1">Nunc tincidunt</a> <span class="ui-icon ui-icon-close" role="presentation">Remove Tab</span></li>
  </ul>
  <div id="tabs-1">
    <p>Proin elit arcu, rutrum commodo, vehicula tempus, commodo a, risus. Curabitur nec arcu. Donec sollicitudin mi sit amet mauris. Nam elementum quam ullamcorper ante. Etiam aliquet massa et lorem. Mauris dapibus lacus auctor risus. Aenean tempor ullamcorper leo. Vivamus sed magna quis ligula eleifend adipiscing. Duis orci. Aliquam sodales tortor vitae ipsum. Aliquam nulla. Duis aliquam molestie erat. Ut et mauris vel pede varius sollicitudin. Sed ut dolor nec orci tincidunt interdum. Phasellus ipsum. Nunc tristique tempus lectus.</p>
  </div>
</div>

CSS

#dialog label, #dialog input { display:block; }
  #dialog label { margin-top: 0.5em; }
  #dialog input, #dialog textarea { width: 95%; }
  #tabs { margin-top: 1em; }
  #tabs li .ui-icon-close { float: left; margin: 0.4em 0.2em 0 0; cursor: pointer; }
  #add_tab { cursor: pointer; }

JavaScript

$(function() {
    var tabTitle = $( "#tab_title" ),
      tabContent = $( "#tab_content" ),
      tabTemplate = "<li><a href='#{href}'>#{label}</a> <span class='ui-icon ui-icon-close' role='presentation'>Remove Tab</span></li>",
      tabCounter = 2;
 
    var tabs = $( "#tabs" ).tabs( {active:1});
 
    // modal dialog init: custom buttons and a "close" callback resetting the form inside
    var dialog = $( "#dialog" ).dialog({
      autoOpen: false,
      modal: true,
      buttons: {
        Add: function() {
          addTab();
          $( this ).dialog( "close" );
        },
        Cancel: function() {
          $( this ).dialog( "close" );
        }
      },
      close: function() {
        form[ 0 ].reset();
      }
    });
 
    // addTab form: calls addTab function on submit and closes the dialog
    var form = dialog.find( "form" ).submit(function( event ) {
      addTab();
      dialog.dialog( "close" );
      event.preventDefault();
    });
 
    // actual addTab function: adds new tab using the input from the form above
    function addTab() {
      var label = tabTitle.val() || "Tab " + tabCounter,
        id = "tabs-" + tabCounter,
        li = $( tabTemplate.replace( /#\{href\}/g, "#" + id ).replace( /#\{label\}/g, label ) ),
        tabContentHtml = tabContent.val() || "Tab " + tabCounter + " content.";
 
      tabs.find( ".ui-tabs-nav" ).append( li );
      tabs.append( "<div id='" + id + "'><p>" + tabContentHtml + "</p></div>" );
      
        console.log(tabs)
        tabs.tabs({ active:  tabCounter});
        //alert(tabCounter)
        tabs.tabs( "refresh" );
        // getter
var active = $( "#tabs" ).tabs( "option", "active" );
        
 
// activate next tab
$( "#tabs" ).tabs( "option", "active", tabCounter-1 );
    
      
        
      tabCounter++;
    }
 
    // addTab button: just opens the dialog
    $( "#add_tab" )
      .button()
      .click(function() {
        dialog.dialog( "open" );
      });
 
    // close icon:...