DataTables - Child rows

HTML

<link rel="stylesheet" href="https://cdn.datatables.net/r/dt/dt-1.10.9/datatables.min.css">
<script src="https://cdn.datatables.net/r/dt/dt-1.10.9/datatables.min.js"></script>
<script src="//cdn.jsdelivr.net/jquery.scrollto/2.1.2/jquery.scrollTo.min.js"></script>
<table id="example" class="display" cellspacing="0" width="100%">
    <thead>
        <tr>
            <th></th>
            <th>Name</th>
            <th>Position</th>
            <th>Office</th>
            <th>Salary</th>
            <th>Extn.</th>
        </tr>
    </thead>
    <tfoot>
        <tr>
            <th></th>
            <th>Name</th>
            <th>Position</th>
            <th>Office</th>
            <th>Salary</th>
            <th>Extn.</th>
        </tr>
    </tfoot>
</table>

CSS

td.details-control {
    background: url('https://raw.githubusercontent.com/DataTables/DataTables/1.10.7/examples/resources/details_open.png') no-repeat center center;
    cursor: pointer;
}
tr.shown td.details-control {
    background: url('https://raw.githubusercontent.com/DataTables/DataTables/1.10.7/examples/resources/details_close.png') no-repeat center center;
}

JavaScript

/* Formatting function for row details */
function format ( d ) {
    // `d` is the original data object for the row
    return '<div class="slider">'+
        '<table cellpadding="5" cellspacing="0" border="0" style="padding-left:50px;">'+
            '<tr>'+
                '<td>Full name:</td>'+
                '<td>'+d.name+'</td>'+
            '</tr>'+
            '<tr>'+
                '<td>Extension number:</td>'+
                '<td>'+d.extn+'</td>'+
            '</tr>'+
            '<tr>'+
                '<td>Extra info:</td>'+
                '<td>And any further details here (images etc)...</td>'+
            '</tr>'+
        '</table>'+
    '</div>';
}
/* Formatting function for row details when clicked on salary */
function formatTwo ( d ) {
    // `d` is the original data object for the row
    return '<div class="slider">'+
        '<table cellpadding="5" cellspacing="0" border="0" style="padding-left:50px;">'+
            '<tr>'+
                '<td>Full name:</td>'+
                '<td>'+d.name+'</td>'+
            '</tr>'+
            '<tr>'+
                '<td>Extension number:</td>'+
                '<td>'+d.extn+'</td>'+
            '</tr>'+
            '<tr>'+
                '<td>Extra info:</td>'+
                '<td>And any further details here (images etc)...</td>'+
            '</tr>'+
        '</table>'+        '<table cellpadding="5" cellspacing="0" border="0" style="padding-left:50px;">'+
            '<tr>'+
                '<td>Test name:</td>'+
                '<td>'+d.name+'</td>'+
            '</tr>'+
            '<tr>'+
                '<td>Test number:</td>'+
                '<td>'+d.extn+'</td>'+
            '</tr>'+
        '</table>'+
    '</div>';
}

$(document).ready(function() {
    var table = $('#example').DataTable( {
        "ajax": 'https://api.myjson.com/bins/16lp6',
        scrollY:        250,
    	deferRender:    true,
    	scroller:       true,
        "columns": [
            {
                "class": ...