jQuery DataTables: How to select columns - Using checkboxes

Example for article at https://www.gyrocode.com/articles/jquery-datatables-how-to-select-columns/

by gyrocode

HTML

<link rel="stylesheet" href="https://cdn.datatables.net/v/dt/dt-1.10.13/se-1.2.0/datatables.min.css">
<script src="https://cdn.datatables.net/v/dt/dt-1.10.13/se-1.2.0/datatables.min.js"></script>
<h3><a target="_blank" href="https://www.gyrocode.com/articles/jquery-datatables-how-to-navigate-rows-with-keytable-plugin/">jQuery DataTables: How to select columns</a> <small>Using checkboxes</small></h3>

<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>
        <tr class="column-selector">
            <th><input type="checkbox"></th>
            <th><input type="checkbox"></th>
            <th><input type="checkbox"></th>
            <th><input type="checkbox"></th>
            <th><input type="checkbox"></th>
            <th><input type="checkbox"></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>Bradley Greer</td>
            <td>Software Engineer</td>
           ...

CSS

.column-selector th {
  cursor: pointer;
}

JavaScript

$(document).ready(function (){
    var table = $('#example').DataTable({
       'orderCellsTop': true,
       'select': 'api'
    });
    
    // Handle click event on a checkbox
    $('#example').on('click', 'thead .column-selector input[type="checkbox"]', function(e){
       e.stopPropagation();

       var colIdx = $(this).closest('th').index();
       if(this.checked){
          table.column(colIdx).select();
       } else {
          table.column(colIdx).deselect();      
       }
    });
    
    // Handle click event on header cell containg a checkbox
    $('#example').on('click', 'thead .column-selector th', function(e){
       $('input[type="checkbox"]', this).trigger('click');
    });
});