datatables column filters

by justinwinter

HTML

<script src="https://cdn.datatables.net/1.10.16/js/jquery.dataTables.min.js"></script>
<link rel="stylesheet" href="https://cdn.datatables.net/1.10.16/css/jquery.dataTables.min.css">
<table id="example" class="display nowrap" cellspacing="0" 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>
       <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>[email protected]</td>
       <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>[email protected]</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>[email protected]</td>
       <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>[email protected]</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>[email protected]</td>
       <td>Tiger</td>
      <td>Nixon</td>
      <td>System Architect</td>
     ...

CSS

.search-header {
    background: #dcdcdc;
}

JavaScript

// Create search header
var new_row = $("<tr class='search-header'/>");
$('#example thead th').each(function(i) {
  var title = $(this).text();
  var new_th = $('<th style="' + $(this).attr('style') + '" />');
  $(new_th).append('<input type="text" placeholder="' + title + '" data-index="'+i+'"/>');
  $(new_row).append(new_th);
});
$('#example thead').prepend(new_row);

// Init DataTable
var table = $('#example').DataTable({
  "scrollX": true,
  "searching": true,
});

// Filter event handler
$( table.table().container() ).on( 'keyup', 'thead input', function () {
  table
    .column( $(this).data('index') )
    .search( this.value )
    .draw();
});