jQuery Datatables responsive example

HTML

<script src="//code.jquery.com/jquery-1.9.1.js"></script>
<script src="http://code.jquery.com/ui/1.9.2/jquery-ui.js"></script>
<link rel="stylesheet" href="http://code.jquery.com/ui/1.9.2/themes/base/jquery-ui.css">
<link rel="stylesheet" href="//cdn.datatables.net/1.10.1/css/jquery.dataTables.css">
<script src="//cdn.datatables.net/1.10.1/js/jquery.dataTables.min.js"></script>
<link rel="stylesheet" href="//cdn.datatables.net/responsive/1.0.0/css/dataTables.responsive.css">
<script src="//cdn.datatables.net/responsive/1.0.0/js/dataTables.responsive.js"></script>
<a class="zzz">TEST</a>

<table id="example" class="display" cellspacing="0" width="100%">
        <thead>
            <tr>
                <th>Name</th>
                <th>Position</th>
                <th>Office</th>
                <th>Age</th>
                <th>Start date</th>
                <th>Salary</th>
                <th>Col 1</th>
                <th>Col 2</th>
                <th>Col 3</th>
                <th>Col 4</th>
                <th>Col 5</th>
                <th>Col 6</th>
                <th>Col 7</th>
                <th>Col 8</th>
                <th>Col 9</th>
                <th>Col 10</th>
                <th>Col 11</th>
                <th>Col 12</th>
            </tr>
        </thead>
 
        
 
        <tbody>
            <tr>
                <td><span class="name">Tiger</span></td>
                <td>System Architect</td>
                <td>Edinburgh</td>
                <td>61</td>
                <td>2011/04/25</td>
                <td>$320,800</td>
                <td>x</td>
                <td>y</td>
                <td>z</td>
                <td>x</td>
                <td>y</td>
                <td>z</td>
                <td>x</td>
                <td>y</td>
                <td>z</td>
                <td>x</td>
                <td>y</td>
                <td><a class="btn">SHOW NAME</a></td>
            </tr>
           
            <tr>
               ...

CSS

table th:nth-child(3), td:nth-child(3) {
  display: none;
}

JavaScript

$(document).ready(function() {

    $('#example').DataTable( {
        responsive: true
    } );
    
    $(".btn").on("click", function(e) {
      var row = $(this).closest("tr");
      var name = row.find(".name").html();
      alert(name);
    });
    
} );