dataTable serverside example

HTML

<link rel="stylesheet" href="https://cdn.datatables.net/1.10.19/css/jquery.dataTables.min.css">
<script src="https://cdn.datatables.net/1.10.19/js/jquery.dataTables.min.js"></script>
<br>
<table id="example" class="display" width="100%" cellspacing="0">
  <thead>
    <tr>
      <th>First name</th>
      <th>Last name</th>
      <th>Position</th>
      <th>Office</th>
      <th>Start date</th>
      <th>Salary</th>
    </tr>
  </thead>
  <tbody>
    <tr>
      <th>Jean1</th>
      <th>Dit</th>
      <th>Ingénieur</th>
      <th>Longueuil</th>
      <th>1th Mar 14</th>
      <th>$125, 000</th>
    </tr>
      <tr>
      <th>Jean2</th>
      <th>Dit</th>
      <th>Ingénieur</th>
      <th>Longueuil</th>
      <th>1th Mar 14</th>
      <th>$125, 000</th>
    </tr>
     <tr>
      <th>Jean3</th>
      <th>Dit</th>
      <th>Ingénieur</th>
      <th>Longueuil</th>
      <th>1th Mar 14</th>
      <th>$125, 000</th>
    </tr>
     <tr>
      <th>Jean4</th>
      <th>Dit</th>
      <th>Ingénieur</th>
      <th>Longueuil</th>
      <th>1th Mar 14</th>
      <th>$125, 000</th>
    </tr>
     <tr>
      <th>Jean5</th>
      <th>Dit</th>
      <th>Ingénieur</th>
      <th>Longueuil</th>
      <th>1th Mar 14</th>
      <th>$125, 000</th>
    </tr>
     <tr>
      <th>Jean6</th>
      <th>Dit</th>
      <th>Ingénieur</th>
      <th>Longueuil</th>
      <th>1th Mar 14</th>
      <th>$125, 000</th>
    </tr>
     <tr>
      <th>Jean7</th>
      <th>Dit</th>
      <th>Ingénieur</th>
      <th>Longueuil</th>
      <th>1th Mar 14</th>
      <th>$125, 000</th>
    </tr>
     <tr>
      <th>Jean8</th>
      <th>Dit</th>
      <th>Ingénieur</th>
      <th>Longueuil</th>
      <th>1th Mar 14</th>
      <th>$125, 000</th>
    </tr>
     <tr>
      <th>Jean9</th>
      <th>Dit</th>
      <th>Ingénieur</th>
      <th>Longueuil</th>
      <th>1th Mar 14</th>
      <th>$125, 000</th>
    </tr>
     <tr>
      <th>Jean10</th>
      <th>Dit</th>
      <th>Ingénieur</th>
     ...

JavaScript

$(document).ready(function() {

  var url = 'http://www.json-generator.com/api/json/get/bXZCNjxHCa?indent=4';

  var table = $('#example').DataTable({
    'processing': true,
    'serverSide': true,
    pageLength: 40,
    "lengthMenu": [ 10, 40 ],    
    //"deferLoading": 50,
    'ajax': {
      'url': url
    }
  });
  //

  //    
});