update

by rotailed

HTML

<link rel="stylesheet" href="https://cdn.datatables.net/1.10.15/css/jquery.dataTables.min.css">
<link rel="stylesheet" href="https://cdn.datatables.net/select/1.2.2/css/select.dataTables.min.css">
<link rel="stylesheet" href="https://cdn.datatables.net/buttons/1.3.1/css/buttons.dataTables.min.css">
<script src="//code.jquery.com/jquery-1.12.4.js"></script>
     <table id="example" class="table table-bordered" width="100%">
        <thead>
          <tr>
            <th>Name</th>
            <th>Position</th>
            <th>Office</th>
            <th>Age</th>
            <th>Start date</th>
            <th>Salary</th>
          </tr>
        </thead>

        <tfoot>
          <tr>
            <th>Name</th>
            <th>Position</th>
            <th>Office</th>
            <th>Age</th>
            <th>Start date</th>
            <th>Salary</th>
          </tr>
        </tfoot>

        <tbody>
          <tr>
            <td>Tiger Nixon</td>
            <td>System Architect</td>
            <td>Edinburgh</td>
            <td>61</td>
            <td>2011/04/25</td>
            <td>$3,120</td>
          </tr>
          <tr>
            <td>Garrett Winters</td>
            <td>Director</td>
            <td>Edinburgh</td>
            <td>63</td>
            <td>2011/07/25</td>
            <td>$5,300</td>
          </tr>
          <tr>
            <td>Ashton Cox</td>
            <td>Technical Author</td>
            <td>San Francisco</td>
            <td>66</td>
            <td>2009/01/12</td>
            <td>$4,800</td>
          </tr>
          <tr>
            <td>Cedric Kelly</td>
            <td>Javascript Developer</td>
            <td>Edinburgh</td>
            <td>22</td>
            <td>2012/03/29</td>
            <td>$3,600</td>
          </tr>
          <tr>
            <td>Jenna Elliott</td>
            <td>Financial Controller</td>
            <td>Edinburgh</td>
            <td>33</td>
            <td>2008/11/28</td>
            <td>$5,300</td>
       ...

CSS

#events {
        margin-bottom: 1em;
        padding: 1em;
        background-color: #f6f6f6;
        border: 1px solid #999;
        border-radius: 3px;
        height: 100px;
        overflow: auto;
    }

JavaScript

$(document).ready(function() {
    var events = $('#events');
    
    var table = $('#example').DataTable( {
        dom: 'Bfrtip',
        select: true,
        buttons: [
            {
                text: 'Get selected data',
                action: function () {
                    var count = table.rows( { selected: true } ).count();
 
                    events.prepend( '<div>'+count+' row(s) selected</div>' );
                }
            }
        ]
    } );
} );