$(document).ready(function() {
    var table = $('#example').DataTable( {
        scrollY:        "400px",
        scrollX:        true,
        scrollCollapse: true,
        paging:         true,
        fixedColumns:   {
            leftColumns: 3
        }
    } );
} );
<head>
	<title>table</title>
	
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<link rel="stylesheet" href="https://cdn.datatables.net/1.10.16/css/jquery.dataTables.min.css">
<link rel="stylesheet" href="https://cdn.datatables.net/fixedcolumns/3.2.4/css/fixedColumns.dataTables.min.css">
<script type="text/javascript" src="http://cdn.datatables.net/1.10.2/js/jquery.dataTables.min.js"></script>
<script type="text/javascript" src="https://code.jquery.com/jquery-1.12.4.js"></script>
<script type="text/javascript" src="https://cdn.datatables.net/1.10.16/js/jquery.dataTables.min.js"></script>
<script type="text/javascript" src="https://cdn.datatables.net/fixedcolumns/3.2.4/js/dataTables.fixedColumns.min.js"></script>
<style>
       th, td { white-space: nowrap; }
    div.dataTables_wrapper {
        width: 900px;
        margin: 0 auto;
    }
</style>
</head>
<table id="example" class="stripe row-border order-column" style="width:100%">
        <thead>
            <tr>
                <th>First name</th>
                <th>Last name</th>
                <th>Position</th>
                <th>Office</th>
                <th>Age</th>
                <th>Start date</th>
                <th>Salary</th>
                <th>Extn.</th>
                <th>E-mail</th>
            </tr>
        </thead>
        <tbody>
            <tr>
                <td>Tiger</td>
                <td>Nixon</td>
                <td>System Architect</td>
                <td>Edinburgh</td>
                <td>61</td>
                <td>2011/04/25</td>
                <td>$320,800</td>
                <td>5421</td>
                <td>t.nixon@datatables.net</td>
            </tr>
            <tr>
                <td>Garrett</td>
                <td>Winters</td>
                <td>Accountant</td>
                <td>Tokyo</td>
                <td>63</td>
                <td>2011/07/25</td>
                <td>$170,750</td>
                <td>8422</td>
                <td>g.winters@datatables.net</td>
            </tr>
            <tr>
                <td>Ashton</td>
                <td>Cox</td>
                <td>Junior Technical Author</td>
                <td>San Francisco</td>
                <td>66</td>
                <td>2009/01/12</td>
                <td>$86,000</td>
                <td>1562</td>
                <td>a.cox@datatables.net</td>
            </tr>
            <tr>
                <td>Cedric</td>
                <td>Kelly</td>
                <td>Senior Javascript Developer</td>
                <td>Edinburgh</td>
                <td>22</td>
                <td>2012/03/29</td>
                <td>$433,060</td>
                <td>6224</td>
                <td>c.kelly@datatables.net</td>
            </tr>
            <tr>
                <td>Airi</td>
                <td>Satou</td>
                <td>Accountant</td>
                <td>Tokyo</td>
                <td>33</td>
                <td>2008/11/28</td>
                <td>$162,700</td>
                <td>5407</td>
                <td>a.satou@datatables.net</td>
            </tr>
            <tr>
                <td>Brielle</td>
                <td>Williamson</td>
                <td>Integration Specialist</td>
                <td>New York</td>
                <td>61</td>
                <td>2012/12/02</td>
                <td>$372,000</td>
                <td>4804</td>
                <td>b.williamson@datatables.net</td>
            </tr>
            <tr>
                <td>Herrod</td>
                <td>Chandler</td>
                <td>Sales Assistant</td>
                <td>San Francisco</td>
                <td>59</td>
                <td>2012/08/06</td>
                <td>$137,500</td>
                <td>9608</td>
                <td>h.chandler@datatables.net</td>
            </tr>
            <tr>
                <td>Rhona</td>
                <td>Davidson</td>
                <td>Integration Specialist</td>
                <td>Tokyo</td>
                <td>55</td>
                <td>2010/10/14</td>
                <td>$327,900</td>
                <td>6200</td>
                <td>r.davidson@datatables.net</td>
            </tr>
            <tr>
                <td>Colleen</td>
                <td>Hurst</td>
                <td>Javascript Developer</td>
                <td>San Francisco</td>
                <td>39</td>
                <td>2009/09/15</td>
                <td>$205,500</td>
                <td>2360</td>
                <td>c.hurst@datatables.net</td>
            </tr>
            <tr>
                <td>Sonya</td>
                <td>Frost</td>
                <td>Software Engineer</td>
                <td>Edinburgh</td>
                <td>23</td>
                <td>2008/12/13</td>
                <td>$103,600</td>
                <td>1667</td>
                <td>s.frost@datatables.net</td>
            </tr>
            <tr>
                <td>Jena</td>
                <td>Gaines</td>
                <td>Office Manager</td>
                <td>London</td>
                <td>30</td>
                <td>2008/12/19</td>
                <td>$90,560</td>
                <td>3814</td>
                <td>j.gaines@datatables.net</td>
            </tr>
             <tr>
                <td>Sakura</td>
                <td>Yamamoto</td>
                <td>Support Engineer</td>
                <td>Tokyo</td>
                <td>37</td>
                <td>2009/08/19</td>
                <td>$139,575</td>
                <td>9383</td>
                <td>s.yamamoto@datatables.net</td>
            </tr>
            <tr>
                <td>Thor</td>
                <td>Walton</td>
                <td>Developer</td>
                <td>New York</td>
                <td>61</td>
                <td>2013/08/11</td>
                <td>$98,540</td>
                <td>8327</td>
                <td>t.walton@datatables.net</td>
            </tr>
            <tr>
                <td>Finn</td>
                <td>Camacho</td>
                <td>Support Engineer</td>
                <td>San Francisco</td>
                <td>47</td>
                <td>2009/07/07</td>
                <td>$87,500</td>
                <td>2927</td>
                <td>f.camacho@datatables.net</td>
            </tr>
            <tr>
                <td>Serge</td>
                <td>Baldwin</td>
                <td>Data Coordinator</td>
                <td>Singapore</td>
                <td>64</td>
                <td>2012/04/09</td>
                <td>$138,575</td>
                <td>8352</td>
                <td>s.baldwin@datatables.net</td>
            </tr>
            <tr>
                <td>Zenaida</td>
                <td>Frank</td>
                <td>Software Engineer</td>
                <td>New York</td>
                <td>63</td>
                <td>2010/01/04</td>
                <td>$125,250</td>
                <td>7439</td>
                <td>z.frank@datatables.net</td>
            </tr>
            <tr>
                <td>Zorita</td>
                <td>Serrano</td>
                <td>Software Engineer</td>
                <td>San Francisco</td>
                <td>56</td>
                <td>2012/06/01</td>
                <td>$115,000</td>
                <td>4389</td>
                <td>z.serrano@datatables.net</td>
            </tr>
            <tr>
                <td>Jennifer</td>
                <td>Acosta</td>
                <td>Junior Javascript Developer</td>
                <td>Edinburgh</td>
                <td>43</td>
                <td>2013/02/01</td>
                <td>$75,650</td>
                <td>3431</td>
                <td>j.acosta@datatables.net</td>
            </tr>
            <tr>
                <td>Cara</td>
                <td>Stevens</td>
                <td>Sales Assistant</td>
                <td>New York</td>
                <td>46</td>
                <td>2011/12/06</td>
                <td>$145,600</td>
                <td>3990</td>
                <td>c.stevens@datatables.net</td>
            </tr>
            <tr>
                <td>Hermione</td>
                <td>Butler</td>
                <td>Regional Director</td>
                <td>London</td>
                <td>47</td>
                <td>2011/03/21</td>
                <td>$356,250</td>
                <td>1016</td>
                <td>h.butler@datatables.net</td>
            </tr>
            <tr>
                <td>Lael</td>
                <td>Greer</td>
                <td>Systems Administrator</td>
                <td>London</td>
                <td>21</td>
                <td>2009/02/27</td>
                <td>$103,500</td>
                <td>6733</td>
                <td>l.greer@datatables.net</td>
            </tr>
            <tr>
                <td>Jonas</td>
                <td>Alexander</td>
                <td>Developer</td>
                <td>San Francisco</td>
                <td>30</td>
                <td>2010/07/14</td>
                <td>$86,500</td>
                <td>8196</td>
                <td>j.alexander@datatables.net</td>
            </tr>
            <tr>
                <td>Shad</td>
                <td>Decker</td>
                <td>Regional Director</td>
                <td>Edinburgh</td>
                <td>51</td>
                <td>2008/11/13</td>
                <td>$183,000</td>
                <td>6373</td>
                <td>s.decker@datatables.net</td>
            </tr>
            <tr>
                <td>Michael</td>
                <td>Bruce</td>
                <td>Javascript Developer</td>
                <td>Singapore</td>
                <td>29</td>
                <td>2011/06/27</td>
                <td>$183,000</td>
                <td>5384</td>
                <td>m.bruce@datatables.net</td>
            </tr>
            <tr>
                <td>Donna</td>
                <td>Snider</td>
                <td>Customer Support</td>
                <td>New York</td>
                <td>27</td>
                <td>2011/01/25</td>
                <td>$112,000</td>
                <td>4226</td>
                <td>d.snider@datatables.net</td>
            </tr>
        </tbody>
    </table>