jQuery DataTables – How to add a checkbox column

Example for article at http://www.gyrocode.com/articles/jquery-datatables-how-to-add-a-checkbox-column/

HTML

<link rel="stylesheet" href="//cdn.datatables.net/1.10.7/css/jquery.dataTables.min.css">
<script src="//cdn.datatables.net/1.10.7/js/jquery.dataTables.min.js"></script>
<h3><a href="http://www.gyrocode.com/articles/jquery-datatables-how-to-add-a-checkbox-column/">jQuery DataTables – How to add a checkbox column</a></h3>
<a href="http://www.gyrocode.com/articles/jquery-datatables-how-to-add-a-checkbox-column/">See full article on Gyrocode.com</a>
<hr><br>
    
<form id="frm-example" action="/path/to/your/script" method="POST">
    
<table id="example" class="display" cellspacing="0" width="100%">
   <thead>
      <tr>
          <th><input name="select_all" value="1" id="example-select-all" type="checkbox" /></th>
         <th>Email</th>
         <th>Full name</th>
         <th>Member</th>
      </tr>
   </thead>
   <tfoot>
      <tr>
         <th></th>
         <th>Email</th>
         <th>Full name</th>
         <th>Member</th>
      </tr>
   </tfoot>
</table>
<hr>

<p>Press <b>Submit</b> and check console for URL-encoded form data that would be submitted.</p>

<p><button>Submit</button></p>

<b>Data submitted to the server:</b><br>
<pre id="example-console">
</pre>
</form>

JavaScript

$(document).ready(function (){   
    var userData = [
       [ "1", "Email", "Full Name", "Member" ],
       [ "2", "Email", "Full Name", "Member" ]
    ];

   var table = $('#example').DataTable({
      'data': userData,  
      'columnDefs': [{
         'targets': 0,
         'searchable':false,
         'orderable':false,
         'className': 'dt-body-center',
         'render': function (data, type, full, meta){
             return '<input type="checkbox" name="id[]" value="' 
                + $('<div/>').text(data).html() + '">';
         }
      }],
      'order': [1, 'asc'],
      "createdRow": function(row, data, dataIndex){
         $(row).attr("id", "tblRow_" + data[0]);
      }
   });

   // Handle click on "Select all" control
   $('#example-select-all').on('click', function(){
      // Check/uncheck all checkboxes in the table
      var rows = table.rows({ 'search': 'applied' }).nodes();
      $('input[type="checkbox"]', rows).prop('checked', this.checked);
   });

   // Handle click on checkbox to set state of "Select all" control
   $('#example tbody').on('change', 'input[type="checkbox"]', function(){
      // If checkbox is not checked
      if(!this.checked){
         var el = $('#example-select-all').get(0);
         // If "Select all" control is checked and has 'indeterminate' property
         if(el && el.checked && ('indeterminate' in el)){
            // Set visual state of "Select all" control 
            // as 'indeterminate'
            el.indeterminate = true;
         }
      }
   });
    
   $('#frm-example').on('submit', function(e){
      var form = this;

      // Iterate over all checkboxes in the table
      table.$('input[type="checkbox"]').each(function(){
         // If checkbox doesn't exist in DOM
         if(!$.contains(document, this)){
            // If checkbox is checked
            if(this.checked){
               // Create a hidden element 
               $(form).append(
                  $('<input>')
            ...