Easy search filters for Datatables

Custom search filters for Datatables

HTML

<link rel="stylesheet" href="//cdn.datatables.net/1.10.10/css/jquery.dataTables.min.css">
<script src="//cdn.datatables.net/1.10.10/js/jquery.dataTables.min.js"></script>
<form class='filter-form'>
  <h3>Filters</h3>
  <button>
  Filter
  </button>
  <div>
    <label>Name :</label>
    <input type='text' value='' class='filter' data-column-index='0'>
  </div>
  <div>
    <label>Postion :</label>
    <input type='text' value='' class='filter' data-column-index='1'>
  </div>
  <div>
    <label>Office :</label>
    <input type='text' value='' class='filter' data-column-index='2'>
  </div>
</form>
<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>
    </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>$320,800</td>
    </tr>
    <tr>
      <td>Garrett Winters</td>
      <td>Accountant</td>
      <td>Tokyo</td>
      <td>63</td>
      <td>2011/07/25</td>
      <td>$170,750</td>
    </tr>
    <tr>
      <td>Ashton Cox</td>
      <td>Junior Technical Author</td>
      <td>San Francisco</td>
      <td>66</td>
      <td>2009/01/12</td>
      <td>$86,000</td>
    </tr>
    <tr>
      <td>Cedric Kelly</td>
      <td>Senior Javascript Developer</td>
      <td>Edinburgh</td>
      <td>22</td>
      <td>2012/03/29</td>
      <td>$433,060</td>
    </tr>
    <tr>
      <td>Airi Satou</td>
      <td>Accountant</td>
      <td>Tokyo</td>
      <td>33</td>
      <td>2008/11/28</td>
      <td>$162,700</td>
    </tr>
    <tr>
      <td>Brielle Williamson</td>
      <td>Integration Specialist</td>
      <td>New York</td>
     ...

CSS

.filter-form {
  margin-bottom: 30px;
}

.filter-form div {
  margin-bottom: 10px;
}

JavaScript

// DataTable
var dtable = $('#example').DataTable();

$(button).click(function() {
dtable.search('');
  dtable.column($(this).data('columnIndex')).search(this.value).draw();
});
$('.filter').on('keyup change', function() {
  //clear global search values
  dtable.search('');
  dtable.column($(this).data('columnIndex')).search(this.value).draw();
});

$(".dataTables_filter input").on('keyup change', function() {
  //clear column search values
  dtable.columns().search('');
  //clear input values
  $('.filter').val('');
});