datatable uncheck checked attribute from javascript

datatable uncheck checked attribute from javascript - javascript

From the below example, when "Get Selected Rows" button selected, how to uncheck the checked check boxes?.
//update jsfiddle to select multiple records
https://jsfiddle.net/q67L1a9a/5/
var table;
$(document).ready(function() {
table = $('#example').DataTable({
columnDefs: [{
orderable: false,
className: 'select-checkbox',
targets: 0
}, {
"targets": [2],
"visible": false,
"searchable": false
}],
select: {
style: 'os',
selector: 'td:first-child'
},
order: [
[1, 'asc']
]
});
});
$('#btnSelectedRows').on('click', function() {
var tblData = table.rows('.selected').data();
var tmpData;
$.each(tblData, function(i, val) {
tmpData = tblData[i];
alert(tmpData);
});
})
<script src="https://code.jquery.com/jquery-1.12.4.js"></script>
<link href="https://cdn.datatables.net/1.10.13/css/jquery.dataTables.min.css" rel="stylesheet"/>
<link href="https://cdn.datatables.net/select/1.2.1/css/select.dataTables.min.css" rel="stylesheet"/>
<script src="https://cdn.datatables.net/1.10.13/js/jquery.dataTables.min.js"></script>
<script src="https://cdn.datatables.net/select/1.2.1/js/dataTables.select.min.js"></script>
<button id="btnSelectedRows">
Get Selected Rows
</button>
<table id="example" class="display" cellspacing="0" width="100%">
<thead>
<tr>
<th></th>
<th>Name</th>
<th>Position</th>
<th>Office</th>
<th>Age</th>
<th>Salary</th>
</tr>
</thead>
<tfoot>
<tr>
<th></th>
<th>Name</th>
<th>Position</th>
<th>Office</th>
<th>Age</th>
<th>Salary</th>
</tr>
</tfoot>
<tbody>
<tr>
<td></td>
<td>Tiger Nixon</td>
<td>System Architect</td>
<td>Edinburgh</td>
<td>61</td>
<td>$320,800</td>
</tr>
<tr>
<td></td>
<td>Garrett Winters</td>
<td>Accountant</td>
<td>Tokyo</td>
<td>63</td>
<td>$170,750</td>
</tr>
<tr>
<td></td>
<td>Ashton Cox</td>
<td>Junior Technical Author</td>
<td>San Francisco</td>
<td>66</td>
<td>$86,000</td>
</tr>
<tr>
<td></td>
<td>Cedric Kelly</td>
<td>Senior Javascript Developer</td>
<td>Edinburgh</td>
<td>22</td>
<td>$433,060</td>
</tr>
<tr>
<td></td>
<td>Airi Satou</td>
<td>Accountant</td>
<td>Tokyo</td>
<td>33</td>
<td>$162,700</td>
</tr>
<tr>
<td></td>
<td>Brielle Williamson</td>
<td>Integration Specialist</td>
<td>New York</td>
<td>61</td>
<td>$372,000</td>
</tr>
<tr>
<td></td>
<td>Herrod Chandler</td>
<td>Sales Assistant</td>
<td>San Francisco</td>
<td>59</td>
<td>$137,500</td>
</tr>
<tr>
<td></td>
<td>Rhona Davidson</td>
<td>Integration Specialist</td>
<td>Tokyo</td>
<td>55</td>
<td>$327,900</td>
</tr>
<tr>
<td></td>
<td>Colleen Hurst</td>
<td>Javascript Developer</td>
<td>San Francisco</td>
<td>39</td>
<td>$205,500</td>
</tr>
<tr>
<td></td>
<td>Sonya Frost</td>
<td>Software Engineer</td>
<td>Edinburgh</td>
<td>23</td>
<td>$103,600</td>
</tr>
<tr>
<td></td>
<td>Jena Gaines</td>
<td>Office Manager</td>
<td>London</td>
<td>30</td>
<td>$90,560</td>
</tr>
<tr>
<td></td>
<td>Quinn Flynn</td>
<td>Support Lead</td>
<td>Edinburgh</td>
<td>22</td>
<td>$342,000</td>
</tr>
<tr>
<td></td>
<td>Charde Marshall</td>
<td>Regional Director</td>
<td>San Francisco</td>
<td>36</td>
<td>$470,600</td>
</tr>
<tr>
<td></td>
<td>Haley Kennedy</td>
<td>Senior Marketing Designer</td>
<td>London</td>
<td>43</td>
<td>$313,500</td>
</tr>
<tr>
<td></td>
<td>Tatyana Fitzpatrick</td>
<td>Regional Director</td>
<td>London</td>
<td>19</td>
<td>$385,750</td>
</tr>
<tr>
<td></td>
<td>Michael Silva</td>
<td>Marketing Designer</td>
<td>London</td>
<td>66</td>
<td>$198,500</td>
</tr>
</tbody>
</table>

Add this code in your JS file:
$("tr").removeClass("selected");
Please find Working example here:
Link

This has multi select and uncheck after getting selected rows
HTML
<button id="btnSelectedRows">
Get Selected Rows
</button>
<table id="example" class="display" cellspacing="0" width="100%">
<thead>
<tr>
<th></th>
<th>Name</th>
<th>Position</th>
<th>Office</th>
<th>Age</th>
<th>Salary</th>
</tr>
</thead>
<tfoot>
<tr>
<th></th>
<th>Name</th>
<th>Position</th>
<th>Office</th>
<th>Age</th>
<th>Salary</th>
</tr>
</tfoot>
<tbody>
<tr>
<td></td>
<td>Tiger Nixon</td>
<td>System Architect</td>
<td>Edinburgh</td>
<td>61</td>
<td>$320,800</td>
</tr>
<tr>
<td></td>
<td>Garrett Winters</td>
<td>Accountant</td>
<td>Tokyo</td>
<td>63</td>
<td>$170,750</td>
</tr>
<tr>
<td></td>
<td>Ashton Cox</td>
<td>Junior Technical Author</td>
<td>San Francisco</td>
<td>66</td>
<td>$86,000</td>
</tr>
<tr>
<td></td>
<td>Cedric Kelly</td>
<td>Senior Javascript Developer</td>
<td>Edinburgh</td>
<td>22</td>
<td>$433,060</td>
</tr>
<tr>
<td></td>
<td>Airi Satou</td>
<td>Accountant</td>
<td>Tokyo</td>
<td>33</td>
<td>$162,700</td>
</tr>
<tr>
<td></td>
<td>Brielle Williamson</td>
<td>Integration Specialist</td>
<td>New York</td>
<td>61</td>
<td>$372,000</td>
</tr>
<tr>
<td></td>
<td>Herrod Chandler</td>
<td>Sales Assistant</td>
<td>San Francisco</td>
<td>59</td>
<td>$137,500</td>
</tr>
<tr>
<td></td>
<td>Rhona Davidson</td>
<td>Integration Specialist</td>
<td>Tokyo</td>
<td>55</td>
<td>$327,900</td>
</tr>
<tr>
<td></td>
<td>Colleen Hurst</td>
<td>Javascript Developer</td>
<td>San Francisco</td>
<td>39</td>
<td>$205,500</td>
</tr>
<tr>
<td></td>
<td>Sonya Frost</td>
<td>Software Engineer</td>
<td>Edinburgh</td>
<td>23</td>
<td>$103,600</td>
</tr>
<tr>
<td></td>
<td>Jena Gaines</td>
<td>Office Manager</td>
<td>London</td>
<td>30</td>
<td>$90,560</td>
</tr>
<tr>
<td></td>
<td>Quinn Flynn</td>
<td>Support Lead</td>
<td>Edinburgh</td>
<td>22</td>
<td>$342,000</td>
</tr>
<tr>
<td></td>
<td>Charde Marshall</td>
<td>Regional Director</td>
<td>San Francisco</td>
<td>36</td>
<td>$470,600</td>
</tr>
<tr>
<td></td>
<td>Haley Kennedy</td>
<td>Senior Marketing Designer</td>
<td>London</td>
<td>43</td>
<td>$313,500</td>
</tr>
<tr>
<td></td>
<td>Tatyana Fitzpatrick</td>
<td>Regional Director</td>
<td>London</td>
<td>19</td>
<td>$385,750</td>
</tr>
<tr>
<td></td>
<td>Michael Silva</td>
<td>Marketing Designer</td>
<td>London</td>
<td>66</td>
<td>$198,500</td>
</tr>
</tbody>
</table>
JS
$("tr").removeClass("selected");
To unselect the selected rows
var table;
$(document).ready(function() {
table = $('#example').DataTable({
columnDefs: [{
orderable: false,
className: 'select-checkbox',
targets: 0
}, {
"targets": [2],
"visible": false,
"searchable": false
}],
select: {
style: 'multi',
selector: 'td:first-child'
},
order: [
[1, 'asc']
]
});
});
$('#btnSelectedRows').on('click', function() {
var tblData = table.rows('.selected').data();
var tmpData;
$("tr").removeClass("selected");
$.each(tblData, function(i, val) {
tmpData = tblData[i];
alert(tmpData);
});
})

Related

How to make pages of tables?

I am having a bit of hard time wording this right, so please don't be quick about dismissing the question.
<table>
<tr id =1>
<th>col1</th>
<th>col2</th>
</tr>
<tr id =2>
<td>col43</td>
<td>col546</td>
</tr>
<tr id =3>
<td>col143</td>
<td>col1546</td>
</tr>
<tr id =4>
<td>col434534</td>
<td>col5463453</td>
</tr>
<tr id =5>
<td>col1434533</td>
<td>col1546345</td>
</tr>
</table>
<style>
table,td{
border: 2px solid #0e0d0d;
text-align: left;
height: 54px;
}
</style>
<button>Prev</button><button>Next</button>
The display of the table should be in the format of 2 rows a page. What I mean is that when first loaded it only should show id = 2 and id = 3. And then when next is clicked it should show id =4 and id =5 only.
And when on the page showing id =4 and 5 I click prev it should go back to the view of id =2,3.
To summarize each view of the page can consist of a max upto 2 rows.
Any idea on how to do that.
P.S In my actual code I have to get the data from python and then render it into html.

Based on your HTML code you could write a small function, which hides all the rows of the table except the ones of the current "page" by setting their display style property to none or table-row. For this you don't have to assign IDs to your rows when using the JavaScript Table API:
const itemsPerPage = 2;
let page = 0;
function showPage(index) {
const table = document.getElementById('my-table');
const rows = table.tBodies[0].rows;
if (index < 0) {
page = 0;
}
else if (index > table.rows.length - itemsPerPage) {
page = rows.length / itemsPerPage + 1;
}
else {
page = index;
}
for (let i = 0; i < rows.length; i++) {
if (i >= page && i < page + itemsPerPage) {
rows[i].style.display = 'table-row';
}
else {
rows[i].style.display = 'none';
}
}
}
td {
text-align: left;
height: 54px;
}
table, td {
border: 2px solid #0e0d0d;
}
table > tbody > tr {
display: none;
}
<!DOCTYPE html>
<html>
<body onload="showPage(0)">
<table id="my-table">
<thead>
<tr>
<th>col1</th>
<th>col2</th>
</tr>
</thead>
<tbody>
<tr>
<td>col43</td>
<td>col546</td>
</tr>
<tr>
<td>col143</td>
<td>col1546</td>
</tr>
<tr>
<td>col434534</td>
<td>col5463453</td>
</tr>
<tr>
<td>col1434533</td>
<td>col1546345</td>
</tr>
</tbody>
</table>
<button onclick="showPage(page - 1)">Prev</button>
<button onclick="showPage(page + 1)">Next</button>
</body>
</html>

I would suggest you use jquery datatables for that purpose. It's very lightwait and easy to use. Here is a working example :
$(document).ready(function() {
$('#example').DataTable( {
responsive: true,
pagingType: "simple",
pageLength: 2
} );
} );
<script src="https://code.jquery.com/jquery-1.9.1.js"></script>
<script src="http://code.jquery.com/ui/1.9.2/jquery-ui.js"></script>
<script src="https://cdn.datatables.net/1.10.1/js/jquery.dataTables.min.js">
<script rc="https://cdn.datatables.net/responsive/1.0.0/js/dataTables.responsive.js"></script>
<link href="https://cdn.datatables.net/responsive/1.0.0/css/dataTables.responsive.css" rel="stylesheet"/>
</script>
<link href="https://cdn.datatables.net/1.10.1/css/jquery.dataTables.css" rel="stylesheet"/>
<link href="http://code.jquery.com/ui/1.9.2/themes/base/jquery-ui.css" rel="stylesheet"/>
<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>
<td>61</td>
<td>2012/12/02</td>
<td>$372,000</td>
</tr>
<tr>
<td>Herrod Chandler</td>
<td>Sales Assistant</td>
<td>San Francisco</td>
<td>59</td>
<td>2012/08/06</td>
<td>$137,500</td>
</tr>
<tr>
<td>Rhona Davidson</td>
<td>Integration Specialist</td>
<td>Tokyo</td>
<td>55</td>
<td>2010/10/14</td>
<td>$327,900</td>
</tr>
<tr>
<td>Colleen Hurst</td>
<td>Javascript Developer</td>
<td>San Francisco</td>
<td>39</td>
<td>2009/09/15</td>
<td>$205,500</td>
</tr>
<tr>
<td>Sonya Frost</td>
<td>Software Engineer</td>
<td>Edinburgh</td>
<td>23</td>
<td>2008/12/13</td>
<td>$103,600</td>
</tr>
<tr>
<td>Jena Gaines</td>
<td>Office Manager</td>
<td>London</td>
<td>30</td>
<td>2008/12/19</td>
<td>$90,560</td>
</tr>
<tr>
<td>Quinn Flynn</td>
<td>Support Lead</td>
<td>Edinburgh</td>
<td>22</td>
<td>2013/03/03</td>
<td>$342,000</td>
</tr>
<tr>
<td>Charde Marshall</td>
<td>Regional Director</td>
<td>San Francisco</td>
<td>36</td>
<td>2008/10/16</td>
<td>$470,600</td>
</tr>
<tr>
<td>Haley Kennedy</td>
<td>Senior Marketing Designer</td>
<td>London</td>
<td>43</td>
<td>2012/12/18</td>
<td>$313,500</td>
</tr>
<tr>
<td>Tatyana Fitzpatrick</td>
<td>Regional Director</td>
<td>London</td>
<td>19</td>
<td>2010/03/17</td>
<td>$385,750</td>
</tr>
<tr>
<td>Michael Silva</td>
<td>Marketing Designer</td>
<td>London</td>
<td>66</td>
<td>2012/11/27</td>
<td>$198,500</td>
</tr>
<tr>
<td>Paul Byrd</td>
<td>Chief Financial Officer (CFO)</td>
<td>New York</td>
<td>64</td>
<td>2010/06/09</td>
<td>$725,000</td>
</tr>
<tr>
<td>Gloria Little</td>
<td>Systems Administrator</td>
<td>New York</td>
<td>59</td>
<td>2009/04/10</td>
<td>$237,500</td>
</tr>
<tr>
<td>Bradley Greer</td>
<td>Software Engineer</td>
<td>London</td>
<td>41</td>
<td>2012/10/13</td>
<td>$132,000</td>
</tr>
<tr>
<td>Dai Rios</td>
<td>Personnel Lead</td>
<td>Edinburgh</td>
<td>35</td>
<td>2012/09/26</td>
<td>$217,500</td>
</tr>
<tr>
<td>Jenette Caldwell</td>
<td>Development Lead</td>
<td>New York</td>
<td>30</td>
<td>2011/09/03</td>
<td>$345,000</td>
</tr>
<tr>
<td>Yuri Berry</td>
<td>Chief Marketing Officer (CMO)</td>
<td>New York</td>
<td>40</td>
<td>2009/06/25</td>
<td>$675,000</td>
</tr>
<tr>
<td>Caesar Vance</td>
<td>Pre-Sales Support</td>
<td>New York</td>
<td>21</td>
<td>2011/12/12</td>
<td>$106,450</td>
</tr>
<tr>
<td>Doris Wilder</td>
<td>Sales Assistant</td>
<td>Sidney</td>
<td>23</td>
<td>2010/09/20</td>
<td>$85,600</td>
</tr>
<tr>
<td>Angelica Ramos</td>
<td>Chief Executive Officer (CEO)</td>
<td>London</td>
<td>47</td>
<td>2009/10/09</td>
<td>$1,200,000</td>
</tr>
<tr>
<td>Gavin Joyce</td>
<td>Developer</td>
<td>Edinburgh</td>
<td>42</td>
<td>2010/12/22</td>
<td>$92,575</td>
</tr>
<tr>
<td>Jennifer Chang</td>
<td>Regional Director</td>
<td>Singapore</td>
<td>28</td>
<td>2010/11/14</td>
<td>$357,650</td>
</tr>
<tr>
<td>Brenden Wagner</td>
<td>Software Engineer</td>
<td>San Francisco</td>
<td>28</td>
<td>2011/06/07</td>
<td>$206,850</td>
</tr>
<tr>
<td>Fiona Green</td>
<td>Chief Operating Officer (COO)</td>
<td>San Francisco</td>
<td>48</td>
<td>2010/03/11</td>
<td>$850,000</td>
</tr>
<tr>
<td>Shou Itou</td>
<td>Regional Marketing</td>
<td>Tokyo</td>
<td>20</td>
<td>2011/08/14</td>
<td>$163,000</td>
</tr>
<tr>
<td>Michelle House</td>
<td>Integration Specialist</td>
<td>Sidney</td>
<td>37</td>
<td>2011/06/02</td>
<td>$95,400</td>
</tr>
<tr>
<td>Suki Burks</td>
<td>Developer</td>
<td>London</td>
<td>53</td>
<td>2009/10/22</td>
<td>$114,500</td>
</tr>
<tr>
<td>Prescott Bartlett</td>
<td>Technical Author</td>
<td>London</td>
<td>27</td>
<td>2011/05/07</td>
<td>$145,000</td>
</tr>
<tr>
<td>Gavin Cortez</td>
<td>Team Leader</td>
<td>San Francisco</td>
<td>22</td>
<td>2008/10/26</td>
<td>$235,500</td>
</tr>
<tr>
<td>Martena Mccray</td>
<td>Post-Sales support</td>
<td>Edinburgh</td>
<td>46</td>
<td>2011/03/09</td>
<td>$324,050</td>
</tr>
<tr>
<td>Unity Butler</td>
<td>Marketing Designer</td>
<td>San Francisco</td>
<td>47</td>
<td>2009/12/09</td>
<td>$85,675</td>
</tr>
<tr>
<td>Howard Hatfield</td>
<td>Office Manager</td>
<td>San Francisco</td>
<td>51</td>
<td>2008/12/16</td>
<td>$164,500</td>
</tr>
<tr>
<td>Hope Fuentes</td>
<td>Secretary</td>
<td>San Francisco</td>
<td>41</td>
<td>2010/02/12</td>
<td>$109,850</td>
</tr>
<tr>
<td>Vivian Harrell</td>
<td>Financial Controller</td>
<td>San Francisco</td>
<td>62</td>
<td>2009/02/14</td>
<td>$452,500</td>
</tr>
<tr>
<td>Timothy Mooney</td>
<td>Office Manager</td>
<td>London</td>
<td>37</td>
<td>2008/12/11</td>
<td>$136,200</td>
</tr>
<tr>
<td>Jackson Bradshaw</td>
<td>Director</td>
<td>New York</td>
<td>65</td>
<td>2008/09/26</td>
<td>$645,750</td>
</tr>
<tr>
<td>Olivia Liang</td>
<td>Support Engineer</td>
<td>Singapore</td>
<td>64</td>
<td>2011/02/03</td>
<td>$234,500</td>
</tr>
<tr>
<td>Bruno Nash</td>
<td>Software Engineer</td>
<td>London</td>
<td>38</td>
<td>2011/05/03</td>
<td>$163,500</td>
</tr>
<tr>
<td>Sakura Yamamoto</td>
<td>Support Engineer</td>
<td>Tokyo</td>
<td>37</td>
<td>2009/08/19</td>
<td>$139,575</td>
</tr>
<tr>
<td>Thor Walton</td>
<td>Developer</td>
<td>New York</td>
<td>61</td>
<td>2013/08/11</td>
<td>$98,540</td>
</tr>
<tr>
<td>Finn Camacho</td>
<td>Support Engineer</td>
<td>San Francisco</td>
<td>47</td>
<td>2009/07/07</td>
<td>$87,500</td>
</tr>
<tr>
<td>Serge Baldwin</td>
<td>Data Coordinator</td>
<td>Singapore</td>
<td>64</td>
<td>2012/04/09</td>
<td>$138,575</td>
</tr>
<tr>
<td>Zenaida Frank</td>
<td>Software Engineer</td>
<td>New York</td>
<td>63</td>
<td>2010/01/04</td>
<td>$125,250</td>
</tr>
<tr>
<td>Zorita Serrano</td>
<td>Software Engineer</td>
<td>San Francisco</td>
<td>56</td>
<td>2012/06/01</td>
<td>$115,000</td>
</tr>
<tr>
<td>Jennifer Acosta</td>
<td>Junior Javascript Developer</td>
<td>Edinburgh</td>
<td>43</td>
<td>2013/02/01</td>
<td>$75,650</td>
</tr>
<tr>
<td>Cara Stevens</td>
<td>Sales Assistant</td>
<td>New York</td>
<td>46</td>
<td>2011/12/06</td>
<td>$145,600</td>
</tr>
<tr>
<td>Hermione Butler</td>
<td>Regional Director</td>
<td>London</td>
<td>47</td>
<td>2011/03/21</td>
<td>$356,250</td>
</tr>
<tr>
<td>Lael Greer</td>
<td>Systems Administrator</td>
<td>London</td>
<td>21</td>
<td>2009/02/27</td>
<td>$103,500</td>
</tr>
<tr>
<td>Jonas Alexander</td>
<td>Developer</td>
<td>San Francisco</td>
<td>30</td>
<td>2010/07/14</td>
<td>$86,500</td>
</tr>
<tr>
<td>Shad Decker</td>
<td>Regional Director</td>
<td>Edinburgh</td>
<td>51</td>
<td>2008/11/13</td>
<td>$183,000</td>
</tr>
<tr>
<td>Michael Bruce</td>
<td>Javascript Developer</td>
<td>Singapore</td>
<td>29</td>
<td>2011/06/27</td>
<td>$183,000</td>
</tr>
<tr>
<td>Donna Snider</td>
<td>Customer Support</td>
<td>New York</td>
<td>27</td>
<td>2011/01/25</td>
<td>$112,000</td>
</tr>
<tr>
<td>Brock Lee</td>
<td>Customer Support</td>
<td>Tampa</td>
<td>27</td>
<td>2011/01/25</td>
<td>$112,000</td>
</tr>
</tbody>
</table>

let max = 6
let prev_start = null
function next(){
let next = null
for(let row = 0; row < max + 1; row++){
if($('#'+row).css('display') == 'table-row' || $('#'+row).css('display') == 'block'){
next = row + 1
prev_start = next - 2
}
}
show(next)
}
function show(next){
let prev_r_one = next-1
let prev_r_two = next-2
$('#'+prev_r_one).css('display', 'none')
$('#'+prev_r_two).css('display', 'none')
for(let row = next; row < next + 2; row++){
$('#'+row).css('display','block')
}
}
function prev(){
for(let row = 1; row < max + 1; row++){ $('#'+row).css('display','none') }
if(prev_start <= 0){prev_start = 1}
let row_x = prev_start
let row_y = row_x + 1
$('#'+row_x).css('display', 'block')
$('#'+row_y).css('display', 'block')
prev_start = row_x -2
}
table,td{
border: 2px solid #0e0d0d;
text-align: left;
height: 54px;
}
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<table>
<tr id =0>
<th>col 1</th>
<th>col 2</th>
</tr>
<tr id =1>
<td>row 1</td>
<td>row 1</td>
</tr>
<tr id =2>
<td>row 2</td>
<td>row 2</td>
</tr>
<tr id =3 style="display:none">
<td>row 3</td>
<td>row 3</td>
</tr>
<tr id =4 style="display:none">
<td>row 4</td>
<td>row 4</td>
</tr>
<tr id =5 style="display:none">
<td>row 5</td>
<td>row 5</td>
</tr>
<tr id =6 style="display:none">
<td>row 6</td>
<td>row 6</td>
</tr>
</table>
<button onclick="prev()">Prev</button><button onclick="next()">Next</button>

Need a bootstrap table code with checkbox on save button it need to return selected checkbox row

Need a bootstrap table code with row checkbox on save button it need to return selected checkbox row.

<button id="btnSelectedRows">
Get Selected Rows
</button>
<table id="example" class="display" cellspacing="0" width="100%">
<thead>
<tr>
<th></th>
<th>Name</th>
<th>Position</th>
<th>Office</th>
<th>Age</th>
<th>Salary</th>
</tr>
</thead>
<tfoot>
<tr>
<th></th>
<th>Name</th>
<th>Position</th>
<th>Office</th>
<th>Age</th>
<th>Salary</th>
</tr>
</tfoot>
<tbody>
<tr>
<td></td>
<td>Tiger Nixon</td>
<td>System Architect</td>
<td>Edinburgh</td>
<td>61</td>
<td>$320,800</td>
</tr>
<tr>
<td></td>
<td>Garrett Winters</td>
<td>Accountant</td>
<td>Tokyo</td>
<td>63</td>
<td>$170,750</td>
</tr>
<tr>
<td></td>
<td>Ashton Cox</td>
<td>Junior Technical Author</td>
<td>San Francisco</td>
<td>66</td>
<td>$86,000</td>
</tr>
<tr>
<td></td>
<td>Cedric Kelly</td>
<td>Senior Javascript Developer</td>
<td>Edinburgh</td>
<td>22</td>
<td>$433,060</td>
</tr>
<tr>
<td></td>
<td>Airi Satou</td>
<td>Accountant</td>
<td>Tokyo</td>
<td>33</td>
<td>$162,700</td>
</tr>
<tr>
<td></td>
<td>Brielle Williamson</td>
<td>Integration Specialist</td>
<td>New York</td>
<td>61</td>
<td>$372,000</td>
</tr>
<tr>
<td></td>
<td>Herrod Chandler</td>
<td>Sales Assistant</td>
<td>San Francisco</td>
<td>59</td>
<td>$137,500</td>
</tr>
<tr>
<td></td>
<td>Rhona Davidson</td>
<td>Integration Specialist</td>
<td>Tokyo</td>
<td>55</td>
<td>$327,900</td>
</tr>
<tr>
<td></td>
<td>Colleen Hurst</td>
<td>Javascript Developer</td>
<td>San Francisco</td>
<td>39</td>
<td>$205,500</td>
</tr>
<tr>
<td></td>
<td>Sonya Frost</td>
<td>Software Engineer</td>
<td>Edinburgh</td>
<td>23</td>
<td>$103,600</td>
</tr>
<tr>
<td></td>
<td>Jena Gaines</td>
<td>Office Manager</td>
<td>London</td>
<td>30</td>
<td>$90,560</td>
</tr>
<tr>
<td></td>
<td>Quinn Flynn</td>
<td>Support Lead</td>
<td>Edinburgh</td>
<td>22</td>
<td>$342,000</td>
</tr>
<tr>
<td></td>
<td>Charde Marshall</td>
<td>Regional Director</td>
<td>San Francisco</td>
<td>36</td>
<td>$470,600</td>
</tr>
<tr>
<td></td>
<td>Haley Kennedy</td>
<td>Senior Marketing Designer</td>
<td>London</td>
<td>43</td>
<td>$313,500</td>
</tr>
<tr>
<td></td>
<td>Tatyana Fitzpatrick</td>
<td>Regional Director</td>
<td>London</td>
<td>19</td>
<td>$385,750</td>
</tr>
<tr>
<td></td>
<td>Michael Silva</td>
<td>Marketing Designer</td>
<td>London</td>
<td>66</td>
<td>$198,500</td>
</tr>
</tbody>
</table>
var table;
$(document).ready(function() {
table = $('#example').DataTable({
columnDefs: [{
orderable: false,
className: 'select-checkbox',
targets: 0
}, {
"targets": [2],
"visible": false,
"searchable": false
}],
select: {
style: 'os',
selector: 'td:first-child'
},
order: [
[1, 'asc']
]
});
});
$('#btnSelectedRows').on('click', function() {
var tblData = table.rows('.selected').data();
var tmpData;
$.each(tblData, function(i, val) {
tmpData = tblData[i];
alert(tmpData);
});
})
<link rel="stylesheet" href="https://cdn.datatables.net/select/1.2.1/css/select.dataTables.min.css">
<link rel="stylesheet" href="https://cdn.datatables.net/1.10.13/css/jquery.dataTables.min.css">
<script src="https://code.jquery.com/jquery-1.12.4.js"></script>
<script src="https://cdn.datatables.net/1.10.13/js/jquery.dataTables.min.js"></script>
<script src="https://cdn.datatables.net/select/1.2.1/js/dataTables.select.min.js">
fiddle

Generate CSV and Copy clipboard using datatables.net framework

My goal: Generate CSV and Copy to clip board only those items which are checkbox selected.
Current condition: I have made two javascript codes one for selection but second part of code (which is commented) is for generate CSV and copy problem is second part not working and first part works however multi selects not works.
Jquery Framework used: https://datatables.net
<!DOCTYPE html>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="https://cdn.datatables.net/1.10.16/css/jquery.dataTables.min.css">
<link rel="stylesheet" type="text/css" href="https://cdn.datatables.net/select/1.2.3/css/select.dataTables.min.css">
<script
src="https://code.jquery.com/jquery-2.2.4.min.js"
integrity="sha256-BbhdlvQf/xTY9gja0Dq3HiwQF8LaCRTXxZKRutelT44="
crossorigin="anonymous">
</script>
<link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous">
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js" integrity="sha384-Tc5IQib027qvyjSMfHjOMaLkfuWVxZxUPnCJA7l2mCWNIpG9mGCD8wGNIcPD7Txa" crossorigin="anonymous"></script>
<script src="https://cdn.datatables.net/1.10.16/js/jquery.dataTables.min.js"></script>
<script src="https://cdn.datatables.net/select/1.2.3/js/dataTables.select.min.js"></script>
</head>
<body>
<table id="example" class="display" cellspacing="0" width="100%">
<thead>
<tr>
<th></th>
<th>Name</th>
<th>Position</th>
<th>Office</th>
<th>Age</th>
<th>Salary</th>
</tr>
</thead>
<tfoot>
<tr>
<th></th>
<th>Name</th>
<th>Position</th>
<th>Office</th>
<th>Age</th>
<th>Salary</th>
</tr>
</tfoot>
<tbody>
<tr>
<td></td>
<td>Tiger Nixon</td>
<td>System Architect</td>
<td>Edinburgh</td>
<td>61</td>
<td>$320,800</td>
</tr>
<tr>
<td></td>
<td>Garrett Winters</td>
<td>Accountant</td>
<td>Tokyo</td>
<td>63</td>
<td>$170,750</td>
</tr>
<tr>
<td></td>
<td>Ashton Cox</td>
<td>Junior Technical Author</td>
<td>San Francisco</td>
<td>66</td>
<td>$86,000</td>
</tr>
<tr>
<td></td>
<td>Cedric Kelly</td>
<td>Senior Javascript Developer</td>
<td>Edinburgh</td>
<td>22</td>
<td>$433,060</td>
</tr>
<tr>
<td></td>
<td>Airi Satou</td>
<td>Accountant</td>
<td>Tokyo</td>
<td>33</td>
<td>$162,700</td>
</tr>
<tr>
<td></td>
<td>Brielle Williamson</td>
<td>Integration Specialist</td>
<td>New York</td>
<td>61</td>
<td>$372,000</td>
</tr>
<tr>
<td></td>
<td>Herrod Chandler</td>
<td>Sales Assistant</td>
<td>San Francisco</td>
<td>59</td>
<td>$137,500</td>
</tr>
<tr>
<td></td>
<td>Rhona Davidson</td>
<td>Integration Specialist</td>
<td>Tokyo</td>
<td>55</td>
<td>$327,900</td>
</tr>
<tr>
<td></td>
<td>Colleen Hurst</td>
<td>Javascript Developer</td>
<td>San Francisco</td>
<td>39</td>
<td>$205,500</td>
</tr>
<tr>
<td></td>
<td>Sonya Frost</td>
<td>Software Engineer</td>
<td>Edinburgh</td>
<td>23</td>
<td>$103,600</td>
</tr>
<tr>
<td></td>
<td>Jena Gaines</td>
<td>Office Manager</td>
<td>London</td>
<td>30</td>
<td>$90,560</td>
</tr>
<tr>
<td></td>
<td>Quinn Flynn</td>
<td>Support Lead</td>
<td>Edinburgh</td>
<td>22</td>
<td>$342,000</td>
</tr>
<tr>
<td></td>
<td>Charde Marshall</td>
<td>Regional Director</td>
<td>San Francisco</td>
<td>36</td>
<td>$470,600</td>
</tr>
<tr>
<td></td>
<td>Haley Kennedy</td>
<td>Senior Marketing Designer</td>
<td>London</td>
<td>43</td>
<td>$313,500</td>
</tr>
<tr>
<td></td>
<td>Tatyana Fitzpatrick</td>
<td>Regional Director</td>
<td>London</td>
<td>19</td>
<td>$385,750</td>
</tr>
<tr>
<td></td>
<td>Michael Silva</td>
<td>Marketing Designer</td>
<td>London</td>
<td>66</td>
<td>$198,500</td>
</tr>
<tr>
<td></td>
<td>Paul Byrd</td>
<td>Chief Financial Officer (CFO)</td>
<td>New York</td>
<td>64</td>
<td>$725,000</td>
</tr>
<tr>
<td></td>
<td>Gloria Little</td>
<td>Systems Administrator</td>
<td>New York</td>
<td>59</td>
<td>$237,500</td>
</tr>
<tr>
<td></td>
<td>Bradley Greer</td>
<td>Software Engineer</td>
<td>London</td>
<td>41</td>
<td>$132,000</td>
</tr>
<tr>
<td></td>
<td>Dai Rios</td>
<td>Personnel Lead</td>
<td>Edinburgh</td>
<td>35</td>
<td>$217,500</td>
</tr>
<tr>
<td></td>
<td>Jenette Caldwell</td>
<td>Development Lead</td>
<td>New York</td>
<td>30</td>
<td>$345,000</td>
</tr>
<tr>
<td></td>
<td>Yuri Berry</td>
<td>Chief Marketing Officer (CMO)</td>
<td>New York</td>
<td>40</td>
<td>$675,000</td>
</tr>
<tr>
<td></td>
<td>Caesar Vance</td>
<td>Pre-Sales Support</td>
<td>New York</td>
<td>21</td>
<td>$106,450</td>
</tr>
<tr>
<td></td>
<td>Doris Wilder</td>
<td>Sales Assistant</td>
<td>Sidney</td>
<td>23</td>
<td>$85,600</td>
</tr>
<tr>
<td></td>
<td>Angelica Ramos</td>
<td>Chief Executive Officer (CEO)</td>
<td>London</td>
<td>47</td>
<td>$1,200,000</td>
</tr>
<tr>
<td></td>
<td>Gavin Joyce</td>
<td>Developer</td>
<td>Edinburgh</td>
<td>42</td>
<td>$92,575</td>
</tr>
<tr>
<td></td>
<td>Jennifer Chang</td>
<td>Regional Director</td>
<td>Singapore</td>
<td>28</td>
<td>$357,650</td>
</tr>
<tr>
<td></td>
<td>Brenden Wagner</td>
<td>Software Engineer</td>
<td>San Francisco</td>
<td>28</td>
<td>$206,850</td>
</tr>
<tr>
<td></td>
<td>Fiona Green</td>
<td>Chief Operating Officer (COO)</td>
<td>San Francisco</td>
<td>48</td>
<td>$850,000</td>
</tr>
<tr>
<td></td>
<td>Shou Itou</td>
<td>Regional Marketing</td>
<td>Tokyo</td>
<td>20</td>
<td>$163,000</td>
</tr>
<tr>
<td></td>
<td>Michelle House</td>
<td>Integration Specialist</td>
<td>Sidney</td>
<td>37</td>
<td>$95,400</td>
</tr>
<tr>
<td></td>
<td>Suki Burks</td>
<td>Developer</td>
<td>London</td>
<td>53</td>
<td>$114,500</td>
</tr>
<tr>
<td></td>
<td>Prescott Bartlett</td>
<td>Technical Author</td>
<td>London</td>
<td>27</td>
<td>$145,000</td>
</tr>
<tr>
<td></td>
<td>Gavin Cortez</td>
<td>Team Leader</td>
<td>San Francisco</td>
<td>22</td>
<td>$235,500</td>
</tr>
<tr>
<td></td>
<td>Martena Mccray</td>
<td>Post-Sales support</td>
<td>Edinburgh</td>
<td>46</td>
<td>$324,050</td>
</tr>
<tr>
<td></td>
<td>Unity Butler</td>
<td>Marketing Designer</td>
<td>San Francisco</td>
<td>47</td>
<td>$85,675</td>
</tr>
<tr>
<td></td>
<td>Howard Hatfield</td>
<td>Office Manager</td>
<td>San Francisco</td>
<td>51</td>
<td>$164,500</td>
</tr>
<tr>
<td></td>
<td>Hope Fuentes</td>
<td>Secretary</td>
<td>San Francisco</td>
<td>41</td>
<td>$109,850</td>
</tr>
<tr>
<td></td>
<td>Vivian Harrell</td>
<td>Financial Controller</td>
<td>San Francisco</td>
<td>62</td>
<td>$452,500</td>
</tr>
<tr>
<td></td>
<td>Timothy Mooney</td>
<td>Office Manager</td>
<td>London</td>
<td>37</td>
<td>$136,200</td>
</tr>
<tr>
<td></td>
<td>Jackson Bradshaw</td>
<td>Director</td>
<td>New York</td>
<td>65</td>
<td>$645,750</td>
</tr>
<tr>
<td></td>
<td>Olivia Liang</td>
<td>Support Engineer</td>
<td>Singapore</td>
<td>64</td>
<td>$234,500</td>
</tr>
<tr>
<td></td>
<td>Bruno Nash</td>
<td>Software Engineer</td>
<td>London</td>
<td>38</td>
<td>$163,500</td>
</tr>
<tr>
<td></td>
<td>Sakura Yamamoto</td>
<td>Support Engineer</td>
<td>Tokyo</td>
<td>37</td>
<td>$139,575</td>
</tr>
<tr>
<td></td>
<td>Thor Walton</td>
<td>Developer</td>
<td>New York</td>
<td>61</td>
<td>$98,540</td>
</tr>
<tr>
<td></td>
<td>Finn Camacho</td>
<td>Support Engineer</td>
<td>San Francisco</td>
<td>47</td>
<td>$87,500</td>
</tr>
<tr>
<td></td>
<td>Serge Baldwin</td>
<td>Data Coordinator</td>
<td>Singapore</td>
<td>64</td>
<td>$138,575</td>
</tr>
<tr>
<td></td>
<td>Zenaida Frank</td>
<td>Software Engineer</td>
<td>New York</td>
<td>63</td>
<td>$125,250</td>
</tr>
<tr>
<td></td>
<td>Zorita Serrano</td>
<td>Software Engineer</td>
<td>San Francisco</td>
<td>56</td>
<td>$115,000</td>
</tr>
<tr>
<td></td>
<td>Jennifer Acosta</td>
<td>Junior Javascript Developer</td>
<td>Edinburgh</td>
<td>43</td>
<td>$75,650</td>
</tr>
<tr>
<td></td>
<td>Cara Stevens</td>
<td>Sales Assistant</td>
<td>New York</td>
<td>46</td>
<td>$145,600</td>
</tr>
<tr>
<td></td>
<td>Hermione Butler</td>
<td>Regional Director</td>
<td>London</td>
<td>47</td>
<td>$356,250</td>
</tr>
<tr>
<td></td>
<td>Lael Greer</td>
<td>Systems Administrator</td>
<td>London</td>
<td>21</td>
<td>$103,500</td>
</tr>
<tr>
<td></td>
<td>Jonas Alexander</td>
<td>Developer</td>
<td>San Francisco</td>
<td>30</td>
<td>$86,500</td>
</tr>
<tr>
<td></td>
<td>Shad Decker</td>
<td>Regional Director</td>
<td>Edinburgh</td>
<td>51</td>
<td>$183,000</td>
</tr>
<tr>
<td></td>
<td>Michael Bruce</td>
<td>Javascript Developer</td>
<td>Singapore</td>
<td>29</td>
<td>$183,000</td>
</tr>
<tr>
<td></td>
<td>Donna Snider</td>
<td>Customer Support</td>
<td>New York</td>
<td>27</td>
<td>$112,000</td>
</tr>
</tbody>
</table>
<script>
$(document).ready(function() {
$('#example').DataTable( {
columnDefs: [ {
orderable: false,
className: 'select-checkbox',
targets: 0
} ],
select: {
style: 'os',
selector: 'td:first-child'
},
order: [[ 1, 'asc' ]]
} );
} );
////bellow code is for CSV and Copy option but this not work for only selected item
// if ($("#example").length) {
// $("#example").DataTable({
// dom: "Bfrtip",
// buttons: [
// {
// extend: "copy",
// className: "btn-sm"
// ,
// exportOptions: {
// columns: [5, 3, 4, 7, 6]
// }
// },
// {
// extend: "csv",
// className: "btn-sm"
// ,
// exportOptions: {
// columns: [5, 3, 4, 7, 6]
// }
// },
// {
// extend: "excel",
// className: "btn-sm",
// exportOptions: {
// columns: [5, 3, 4, 7, 6]
// }
// },
// {
// extend: "pdfHtml5",
// className: "btn-sm"
// ,
// exportOptions: {
// columns: [5, 3, 4, 7, 6]
// }
// },
// ],
// responsive: true,
// "pageLength": 100
// });
// }
</script>
</body>
</html>

Use bSelectedOnly like this :
$(document).ready( function () {
$('#example').dataTable( {
"sDom": 'T<"clear">lfrtip',
"oTableTools": {
"sRowSelect": "multi",
"aButtons": [
{
"sExtends": "csv",
"bSelectedOnly": true
}
]
}
} );
} );
When bSelectedOnly option is set to true, the data gathered from the table will be from only the rows which are selected by the end user (using the sRowSelect option) - all other data will be discarded (i.e. not used in the save / copy). If no rows are selected, then all data is used.
You can similarly try for yourself for copy button also.

I did as your goal. Please test the code bellow and let us know.
<!DOCTYPE html>
<html>
<head>
<title></title>
<link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet"/>
<link href="https://cdn.datatables.net/1.10.13/css/jquery.dataTables.min.css" rel="stylesheet"/>
<link href="https://cdn.datatables.net/buttons/1.2.4/css/buttons.dataTables.min.css" rel="stylesheet"/>
<link rel="stylesheet" type="text/css" href="https://cdn.datatables.net/select/1.2.3/css/select.dataTables.min.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jszip/2.5.0/jszip.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/pdfmake/0.1.18/pdfmake.min.js"></script>
<script src="https://cdn.datatables.net/1.10.13/js/jquery.dataTables.min.js"></script>
<script src="https://cdn.datatables.net/buttons/1.2.4/js/dataTables.buttons.min.js"></script>
<script src="https://cdn.datatables.net/buttons/1.2.4/js/buttons.bootstrap.js"></script>
<script src="https://cdn.datatables.net/buttons/1.2.4/js/buttons.html5.js"></script>
<script src="https://cdn.datatables.net/buttons/1.2.4/js/buttons.print.js"></script>
<script src="https://cdn.datatables.net/select/1.2.3/js/dataTables.select.min.js"></script>
</head>
<body>
<table id="example" class="display" cellspacing="0" width="100%">
<thead>
<tr>
<th></th>
<th>Name</th>
<th>Position</th>
<th>Office</th>
<th>Age</th>
<th>Salary</th>
</tr>
</thead>
<tfoot>
<tr>
<th></th>
<th>Name</th>
<th>Position</th>
<th>Office</th>
<th>Age</th>
<th>Salary</th>
</tr>
</tfoot>
<tbody>
<tr>
<td></td>
<td>Tiger Nixon</td>
<td>System Architect</td>
<td>Edinburgh</td>
<td>61</td>
<td>$320,800</td>
</tr>
<tr>
<td></td>
<td>Garrett Winters</td>
<td>Accountant</td>
<td>Tokyo</td>
<td>63</td>
<td>$170,750</td>
</tr>
<tr>
<td></td>
<td>Ashton Cox</td>
<td>Junior Technical Author</td>
<td>San Francisco</td>
<td>66</td>
<td>$86,000</td>
</tr>
<tr>
<td></td>
<td>Cedric Kelly</td>
<td>Senior Javascript Developer</td>
<td>Edinburgh</td>
<td>22</td>
<td>$433,060</td>
</tr>
<tr>
<td></td>
<td>Airi Satou</td>
<td>Accountant</td>
<td>Tokyo</td>
<td>33</td>
<td>$162,700</td>
</tr>
<tr>
<td></td>
<td>Brielle Williamson</td>
<td>Integration Specialist</td>
<td>New York</td>
<td>61</td>
<td>$372,000</td>
</tr>
<tr>
<td></td>
<td>Herrod Chandler</td>
<td>Sales Assistant</td>
<td>San Francisco</td>
<td>59</td>
<td>$137,500</td>
</tr>
<tr>
<td></td>
<td>Rhona Davidson</td>
<td>Integration Specialist</td>
<td>Tokyo</td>
<td>55</td>
<td>$327,900</td>
</tr>
<tr>
<td></td>
<td>Colleen Hurst</td>
<td>Javascript Developer</td>
<td>San Francisco</td>
<td>39</td>
<td>$205,500</td>
</tr>
<tr>
<td></td>
<td>Sonya Frost</td>
<td>Software Engineer</td>
<td>Edinburgh</td>
<td>23</td>
<td>$103,600</td>
</tr>
<tr>
<td></td>
<td>Jena Gaines</td>
<td>Office Manager</td>
<td>London</td>
<td>30</td>
<td>$90,560</td>
</tr>
<tr>
<td></td>
<td>Quinn Flynn</td>
<td>Support Lead</td>
<td>Edinburgh</td>
<td>22</td>
<td>$342,000</td>
</tr>
<tr>
<td></td>
<td>Charde Marshall</td>
<td>Regional Director</td>
<td>San Francisco</td>
<td>36</td>
<td>$470,600</td>
</tr>
<tr>
<td></td>
<td>Haley Kennedy</td>
<td>Senior Marketing Designer</td>
<td>London</td>
<td>43</td>
<td>$313,500</td>
</tr>
<tr>
<td></td>
<td>Tatyana Fitzpatrick</td>
<td>Regional Director</td>
<td>London</td>
<td>19</td>
<td>$385,750</td>
</tr>
<tr>
<td></td>
<td>Michael Silva</td>
<td>Marketing Designer</td>
<td>London</td>
<td>66</td>
<td>$198,500</td>
</tr>
<tr>
<td></td>
<td>Paul Byrd</td>
<td>Chief Financial Officer (CFO)</td>
<td>New York</td>
<td>64</td>
<td>$725,000</td>
</tr>
<tr>
<td></td>
<td>Gloria Little</td>
<td>Systems Administrator</td>
<td>New York</td>
<td>59</td>
<td>$237,500</td>
</tr>
<tr>
<td></td>
<td>Bradley Greer</td>
<td>Software Engineer</td>
<td>London</td>
<td>41</td>
<td>$132,000</td>
</tr>
<tr>
<td></td>
<td>Dai Rios</td>
<td>Personnel Lead</td>
<td>Edinburgh</td>
<td>35</td>
<td>$217,500</td>
</tr>
<tr>
<td></td>
<td>Jenette Caldwell</td>
<td>Development Lead</td>
<td>New York</td>
<td>30</td>
<td>$345,000</td>
</tr>
<tr>
<td></td>
<td>Yuri Berry</td>
<td>Chief Marketing Officer (CMO)</td>
<td>New York</td>
<td>40</td>
<td>$675,000</td>
</tr>
<tr>
<td></td>
<td>Caesar Vance</td>
<td>Pre-Sales Support</td>
<td>New York</td>
<td>21</td>
<td>$106,450</td>
</tr>
<tr>
<td></td>
<td>Doris Wilder</td>
<td>Sales Assistant</td>
<td>Sidney</td>
<td>23</td>
<td>$85,600</td>
</tr>
<tr>
<td></td>
<td>Angelica Ramos</td>
<td>Chief Executive Officer (CEO)</td>
<td>London</td>
<td>47</td>
<td>$1,200,000</td>
</tr>
<tr>
<td></td>
<td>Gavin Joyce</td>
<td>Developer</td>
<td>Edinburgh</td>
<td>42</td>
<td>$92,575</td>
</tr>
<tr>
<td></td>
<td>Jennifer Chang</td>
<td>Regional Director</td>
<td>Singapore</td>
<td>28</td>
<td>$357,650</td>
</tr>
<tr>
<td></td>
<td>Brenden Wagner</td>
<td>Software Engineer</td>
<td>San Francisco</td>
<td>28</td>
<td>$206,850</td>
</tr>
<tr>
<td></td>
<td>Fiona Green</td>
<td>Chief Operating Officer (COO)</td>
<td>San Francisco</td>
<td>48</td>
<td>$850,000</td>
</tr>
<tr>
<td></td>
<td>Shou Itou</td>
<td>Regional Marketing</td>
<td>Tokyo</td>
<td>20</td>
<td>$163,000</td>
</tr>
<tr>
<td></td>
<td>Michelle House</td>
<td>Integration Specialist</td>
<td>Sidney</td>
<td>37</td>
<td>$95,400</td>
</tr>
<tr>
<td></td>
<td>Suki Burks</td>
<td>Developer</td>
<td>London</td>
<td>53</td>
<td>$114,500</td>
</tr>
<tr>
<td></td>
<td>Prescott Bartlett</td>
<td>Technical Author</td>
<td>London</td>
<td>27</td>
<td>$145,000</td>
</tr>
<tr>
<td></td>
<td>Gavin Cortez</td>
<td>Team Leader</td>
<td>San Francisco</td>
<td>22</td>
<td>$235,500</td>
</tr>
<tr>
<td></td>
<td>Martena Mccray</td>
<td>Post-Sales support</td>
<td>Edinburgh</td>
<td>46</td>
<td>$324,050</td>
</tr>
<tr>
<td></td>
<td>Unity Butler</td>
<td>Marketing Designer</td>
<td>San Francisco</td>
<td>47</td>
<td>$85,675</td>
</tr>
<tr>
<td></td>
<td>Howard Hatfield</td>
<td>Office Manager</td>
<td>San Francisco</td>
<td>51</td>
<td>$164,500</td>
</tr>
<tr>
<td></td>
<td>Hope Fuentes</td>
<td>Secretary</td>
<td>San Francisco</td>
<td>41</td>
<td>$109,850</td>
</tr>
<tr>
<td></td>
<td>Vivian Harrell</td>
<td>Financial Controller</td>
<td>San Francisco</td>
<td>62</td>
<td>$452,500</td>
</tr>
<tr>
<td></td>
<td>Timothy Mooney</td>
<td>Office Manager</td>
<td>London</td>
<td>37</td>
<td>$136,200</td>
</tr>
<tr>
<td></td>
<td>Jackson Bradshaw</td>
<td>Director</td>
<td>New York</td>
<td>65</td>
<td>$645,750</td>
</tr>
<tr>
<td></td>
<td>Olivia Liang</td>
<td>Support Engineer</td>
<td>Singapore</td>
<td>64</td>
<td>$234,500</td>
</tr>
<tr>
<td></td>
<td>Bruno Nash</td>
<td>Software Engineer</td>
<td>London</td>
<td>38</td>
<td>$163,500</td>
</tr>
<tr>
<td></td>
<td>Sakura Yamamoto</td>
<td>Support Engineer</td>
<td>Tokyo</td>
<td>37</td>
<td>$139,575</td>
</tr>
<tr>
<td></td>
<td>Thor Walton</td>
<td>Developer</td>
<td>New York</td>
<td>61</td>
<td>$98,540</td>
</tr>
<tr>
<td></td>
<td>Finn Camacho</td>
<td>Support Engineer</td>
<td>San Francisco</td>
<td>47</td>
<td>$87,500</td>
</tr>
<tr>
<td></td>
<td>Serge Baldwin</td>
<td>Data Coordinator</td>
<td>Singapore</td>
<td>64</td>
<td>$138,575</td>
</tr>
<tr>
<td></td>
<td>Zenaida Frank</td>
<td>Software Engineer</td>
<td>New York</td>
<td>63</td>
<td>$125,250</td>
</tr>
<tr>
<td></td>
<td>Zorita Serrano</td>
<td>Software Engineer</td>
<td>San Francisco</td>
<td>56</td>
<td>$115,000</td>
</tr>
<tr>
<td></td>
<td>Jennifer Acosta</td>
<td>Junior Javascript Developer</td>
<td>Edinburgh</td>
<td>43</td>
<td>$75,650</td>
</tr>
<tr>
<td></td>
<td>Cara Stevens</td>
<td>Sales Assistant</td>
<td>New York</td>
<td>46</td>
<td>$145,600</td>
</tr>
<tr>
<td></td>
<td>Hermione Butler</td>
<td>Regional Director</td>
<td>London</td>
<td>47</td>
<td>$356,250</td>
</tr>
<tr>
<td></td>
<td>Lael Greer</td>
<td>Systems Administrator</td>
<td>London</td>
<td>21</td>
<td>$103,500</td>
</tr>
<tr>
<td></td>
<td>Jonas Alexander</td>
<td>Developer</td>
<td>San Francisco</td>
<td>30</td>
<td>$86,500</td>
</tr>
<tr>
<td></td>
<td>Shad Decker</td>
<td>Regional Director</td>
<td>Edinburgh</td>
<td>51</td>
<td>$183,000</td>
</tr>
<tr>
<td></td>
<td>Michael Bruce</td>
<td>Javascript Developer</td>
<td>Singapore</td>
<td>29</td>
<td>$183,000</td>
</tr>
<tr>
<td></td>
<td>Donna Snider</td>
<td>Customer Support</td>
<td>New York</td>
<td>27</td>
<td>$112,000</td>
</tr>
</tbody>
</table>
<script>
$(document).ready(function() {
var table = $('#example').DataTable( {
dom: 'Bfrtip',
buttons: [
// 'copy', 'csv', 'excel', 'pdf', 'print',
{
extend: 'copy',
text: 'copy',
exportOptions: {
modifier: {
selected: true
}
}
},
{
extend: 'csv',
text: 'csv',
exportOptions: {
modifier: {
selected: true
}
}
},
{
extend: 'excel',
text: 'excel',
exportOptions: {
modifier: {
selected: true
}
}
},
{
extend: 'pdf',
text: 'pdf',
exportOptions: {
modifier: {
selected: true
}
}
},
{
extend: 'print',
text: 'print',
exportOptions: {
modifier: {
selected: true
}
}
},
],
columnDefs: [ {
orderable: false,
className: 'select-checkbox',
targets: 0,
checkboxes : {
selectRow : true
}
} ],
select: {
style: 'multi',
selector: 'td:first-child'
},
order: [[ 1, 'asc' ]]
} );
} );
</script>
</body>
</html>

I could get multiple select and then print selected option. Hope this helps.
<!DOCTYPE html>
<html>
<head>
<title></title>
<link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet"/>
<link href="https://cdn.datatables.net/1.10.13/css/jquery.dataTables.min.css" rel="stylesheet"/>
<link href="https://cdn.datatables.net/buttons/1.2.4/css/buttons.dataTables.min.css" rel="stylesheet"/>
<link rel="stylesheet" type="text/css" href="https://cdn.datatables.net/select/1.2.3/css/select.dataTables.min.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jszip/2.5.0/jszip.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/pdfmake/0.1.18/pdfmake.min.js"></script>
<script src="https://cdn.datatables.net/1.10.13/js/jquery.dataTables.min.js"></script>
<script src="https://cdn.datatables.net/buttons/1.2.4/js/dataTables.buttons.min.js"></script>
<script src="https://cdn.datatables.net/buttons/1.2.4/js/buttons.bootstrap.js"></script>
<script src="https://cdn.datatables.net/buttons/1.2.4/js/buttons.html5.js"></script>
<script src="https://cdn.datatables.net/buttons/1.2.4/js/buttons.print.js"></script>
<script src="https://cdn.datatables.net/select/1.2.3/js/dataTables.select.min.js"></script>
</head>
<body>
<table id="example" class="display" cellspacing="0" width="100%">
<thead>
<tr>
<th></th>
<th>Name</th>
<th>Position</th>
<th>Office</th>
<th>Age</th>
<th>Salary</th>
</tr>
</thead>
<tfoot>
<tr>
<th></th>
<th>Name</th>
<th>Position</th>
<th>Office</th>
<th>Age</th>
<th>Salary</th>
</tr>
</tfoot>
<tbody>
<tr>
<td></td>
<td>Tiger Nixon</td>
<td>System Architect</td>
<td>Edinburgh</td>
<td>61</td>
<td>$320,800</td>
</tr>
<tr>
<td></td>
<td>Garrett Winters</td>
<td>Accountant</td>
<td>Tokyo</td>
<td>63</td>
<td>$170,750</td>
</tr>
<tr>
<td></td>
<td>Ashton Cox</td>
<td>Junior Technical Author</td>
<td>San Francisco</td>
<td>66</td>
<td>$86,000</td>
</tr>
<tr>
<td></td>
<td>Cedric Kelly</td>
<td>Senior Javascript Developer</td>
<td>Edinburgh</td>
<td>22</td>
<td>$433,060</td>
</tr>
<tr>
<td></td>
<td>Airi Satou</td>
<td>Accountant</td>
<td>Tokyo</td>
<td>33</td>
<td>$162,700</td>
</tr>
<tr>
<td></td>
<td>Brielle Williamson</td>
<td>Integration Specialist</td>
<td>New York</td>
<td>61</td>
<td>$372,000</td>
</tr>
<tr>
<td></td>
<td>Herrod Chandler</td>
<td>Sales Assistant</td>
<td>San Francisco</td>
<td>59</td>
<td>$137,500</td>
</tr>
<tr>
<td></td>
<td>Rhona Davidson</td>
<td>Integration Specialist</td>
<td>Tokyo</td>
<td>55</td>
<td>$327,900</td>
</tr>
<tr>
<td></td>
<td>Colleen Hurst</td>
<td>Javascript Developer</td>
<td>San Francisco</td>
<td>39</td>
<td>$205,500</td>
</tr>
<tr>
<td></td>
<td>Sonya Frost</td>
<td>Software Engineer</td>
<td>Edinburgh</td>
<td>23</td>
<td>$103,600</td>
</tr>
<tr>
<td></td>
<td>Jena Gaines</td>
<td>Office Manager</td>
<td>London</td>
<td>30</td>
<td>$90,560</td>
</tr>
<tr>
<td></td>
<td>Quinn Flynn</td>
<td>Support Lead</td>
<td>Edinburgh</td>
<td>22</td>
<td>$342,000</td>
</tr>
<tr>
<td></td>
<td>Charde Marshall</td>
<td>Regional Director</td>
<td>San Francisco</td>
<td>36</td>
<td>$470,600</td>
</tr>
<tr>
<td></td>
<td>Haley Kennedy</td>
<td>Senior Marketing Designer</td>
<td>London</td>
<td>43</td>
<td>$313,500</td>
</tr>
<tr>
<td></td>
<td>Tatyana Fitzpatrick</td>
<td>Regional Director</td>
<td>London</td>
<td>19</td>
<td>$385,750</td>
</tr>
<tr>
<td></td>
<td>Michael Silva</td>
<td>Marketing Designer</td>
<td>London</td>
<td>66</td>
<td>$198,500</td>
</tr>
<tr>
<td></td>
<td>Paul Byrd</td>
<td>Chief Financial Officer (CFO)</td>
<td>New York</td>
<td>64</td>
<td>$725,000</td>
</tr>
<tr>
<td></td>
<td>Gloria Little</td>
<td>Systems Administrator</td>
<td>New York</td>
<td>59</td>
<td>$237,500</td>
</tr>
<tr>
<td></td>
<td>Bradley Greer</td>
<td>Software Engineer</td>
<td>London</td>
<td>41</td>
<td>$132,000</td>
</tr>
<tr>
<td></td>
<td>Dai Rios</td>
<td>Personnel Lead</td>
<td>Edinburgh</td>
<td>35</td>
<td>$217,500</td>
</tr>
<tr>
<td></td>
<td>Jenette Caldwell</td>
<td>Development Lead</td>
<td>New York</td>
<td>30</td>
<td>$345,000</td>
</tr>
<tr>
<td></td>
<td>Yuri Berry</td>
<td>Chief Marketing Officer (CMO)</td>
<td>New York</td>
<td>40</td>
<td>$675,000</td>
</tr>
<tr>
<td></td>
<td>Caesar Vance</td>
<td>Pre-Sales Support</td>
<td>New York</td>
<td>21</td>
<td>$106,450</td>
</tr>
<tr>
<td></td>
<td>Doris Wilder</td>
<td>Sales Assistant</td>
<td>Sidney</td>
<td>23</td>
<td>$85,600</td>
</tr>
<tr>
<td></td>
<td>Angelica Ramos</td>
<td>Chief Executive Officer (CEO)</td>
<td>London</td>
<td>47</td>
<td>$1,200,000</td>
</tr>
<tr>
<td></td>
<td>Gavin Joyce</td>
<td>Developer</td>
<td>Edinburgh</td>
<td>42</td>
<td>$92,575</td>
</tr>
<tr>
<td></td>
<td>Jennifer Chang</td>
<td>Regional Director</td>
<td>Singapore</td>
<td>28</td>
<td>$357,650</td>
</tr>
<tr>
<td></td>
<td>Brenden Wagner</td>
<td>Software Engineer</td>
<td>San Francisco</td>
<td>28</td>
<td>$206,850</td>
</tr>
<tr>
<td></td>
<td>Fiona Green</td>
<td>Chief Operating Officer (COO)</td>
<td>San Francisco</td>
<td>48</td>
<td>$850,000</td>
</tr>
<tr>
<td></td>
<td>Shou Itou</td>
<td>Regional Marketing</td>
<td>Tokyo</td>
<td>20</td>
<td>$163,000</td>
</tr>
<tr>
<td></td>
<td>Michelle House</td>
<td>Integration Specialist</td>
<td>Sidney</td>
<td>37</td>
<td>$95,400</td>
</tr>
<tr>
<td></td>
<td>Suki Burks</td>
<td>Developer</td>
<td>London</td>
<td>53</td>
<td>$114,500</td>
</tr>
<tr>
<td></td>
<td>Prescott Bartlett</td>
<td>Technical Author</td>
<td>London</td>
<td>27</td>
<td>$145,000</td>
</tr>
<tr>
<td></td>
<td>Gavin Cortez</td>
<td>Team Leader</td>
<td>San Francisco</td>
<td>22</td>
<td>$235,500</td>
</tr>
<tr>
<td></td>
<td>Martena Mccray</td>
<td>Post-Sales support</td>
<td>Edinburgh</td>
<td>46</td>
<td>$324,050</td>
</tr>
<tr>
<td></td>
<td>Unity Butler</td>
<td>Marketing Designer</td>
<td>San Francisco</td>
<td>47</td>
<td>$85,675</td>
</tr>
<tr>
<td></td>
<td>Howard Hatfield</td>
<td>Office Manager</td>
<td>San Francisco</td>
<td>51</td>
<td>$164,500</td>
</tr>
<tr>
<td></td>
<td>Hope Fuentes</td>
<td>Secretary</td>
<td>San Francisco</td>
<td>41</td>
<td>$109,850</td>
</tr>
<tr>
<td></td>
<td>Vivian Harrell</td>
<td>Financial Controller</td>
<td>San Francisco</td>
<td>62</td>
<td>$452,500</td>
</tr>
<tr>
<td></td>
<td>Timothy Mooney</td>
<td>Office Manager</td>
<td>London</td>
<td>37</td>
<td>$136,200</td>
</tr>
<tr>
<td></td>
<td>Jackson Bradshaw</td>
<td>Director</td>
<td>New York</td>
<td>65</td>
<td>$645,750</td>
</tr>
<tr>
<td></td>
<td>Olivia Liang</td>
<td>Support Engineer</td>
<td>Singapore</td>
<td>64</td>
<td>$234,500</td>
</tr>
<tr>
<td></td>
<td>Bruno Nash</td>
<td>Software Engineer</td>
<td>London</td>
<td>38</td>
<td>$163,500</td>
</tr>
<tr>
<td></td>
<td>Sakura Yamamoto</td>
<td>Support Engineer</td>
<td>Tokyo</td>
<td>37</td>
<td>$139,575</td>
</tr>
<tr>
<td></td>
<td>Thor Walton</td>
<td>Developer</td>
<td>New York</td>
<td>61</td>
<td>$98,540</td>
</tr>
<tr>
<td></td>
<td>Finn Camacho</td>
<td>Support Engineer</td>
<td>San Francisco</td>
<td>47</td>
<td>$87,500</td>
</tr>
<tr>
<td></td>
<td>Serge Baldwin</td>
<td>Data Coordinator</td>
<td>Singapore</td>
<td>64</td>
<td>$138,575</td>
</tr>
<tr>
<td></td>
<td>Zenaida Frank</td>
<td>Software Engineer</td>
<td>New York</td>
<td>63</td>
<td>$125,250</td>
</tr>
<tr>
<td></td>
<td>Zorita Serrano</td>
<td>Software Engineer</td>
<td>San Francisco</td>
<td>56</td>
<td>$115,000</td>
</tr>
<tr>
<td></td>
<td>Jennifer Acosta</td>
<td>Junior Javascript Developer</td>
<td>Edinburgh</td>
<td>43</td>
<td>$75,650</td>
</tr>
<tr>
<td></td>
<td>Cara Stevens</td>
<td>Sales Assistant</td>
<td>New York</td>
<td>46</td>
<td>$145,600</td>
</tr>
<tr>
<td></td>
<td>Hermione Butler</td>
<td>Regional Director</td>
<td>London</td>
<td>47</td>
<td>$356,250</td>
</tr>
<tr>
<td></td>
<td>Lael Greer</td>
<td>Systems Administrator</td>
<td>London</td>
<td>21</td>
<td>$103,500</td>
</tr>
<tr>
<td></td>
<td>Jonas Alexander</td>
<td>Developer</td>
<td>San Francisco</td>
<td>30</td>
<td>$86,500</td>
</tr>
<tr>
<td></td>
<td>Shad Decker</td>
<td>Regional Director</td>
<td>Edinburgh</td>
<td>51</td>
<td>$183,000</td>
</tr>
<tr>
<td></td>
<td>Michael Bruce</td>
<td>Javascript Developer</td>
<td>Singapore</td>
<td>29</td>
<td>$183,000</td>
</tr>
<tr>
<td></td>
<td>Donna Snider</td>
<td>Customer Support</td>
<td>New York</td>
<td>27</td>
<td>$112,000</td>
</tr>
</tbody>
</table>
<script>
$(document).ready(function() {
var table = $('#example').DataTable( {
dom: 'Bfrtip',
buttons: [
'copy', 'csv', 'pdf', 'print',
{
extend: 'print',
text: 'Print selected',
exportOptions: {
modifier: {
selected: true
}
}
},
{
extend: 'csv',
text: 'CSV selected',
exportOptions: {
modifier: {
selected: true
}
}
}
],
columnDefs: [ {
orderable: false,
className: 'select-checkbox',
targets: 0,
checkboxes : {
selectRow : true
}
} ],
select: {
style: 'multi',
selector: 'td:first-child'
},
order: [[ 1, 'asc' ]]
} );
} );
</script>
</body>
</html>

Getting the initialisation object from DataTables

With my previous question on tables - Array to Object with Values in a Range, I have a question. The problem with the previous approach is I have been doing the stuff in normal HTML Tables, and the implementation here is in DataTables. So I thought of taking this approach of:
Kill the DataTables.
Apply my class addition.
Re-Initialise the DataTables.
In order for me to do this, I need to have the parameters with which the DataTables are initialised. To explain this with an example, let's say I have a DataTable instance, and I kill it, do something and now I need the original object like below:
{
"pagination": false,
"searching": false
}
Consider the following snippet:
$(function() {
$("#example").DataTable({
"paging": false,
"searching": false
});
});
<link rel="stylesheet" type="text/css" href="https://cdn.datatables.net/v/bs-3.3.7/jq-2.2.4/dt-1.10.15/datatables.min.css" />
<script type="text/javascript" src="https://cdn.datatables.net/v/bs-3.3.7/jq-2.2.4/dt-1.10.15/datatables.min.js"></script>
<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>
<td>61</td>
<td>2012/12/02</td>
<td>$372,000</td>
</tr>
<tr>
<td>Herrod Chandler</td>
<td>Sales Assistant</td>
<td>San Francisco</td>
<td>59</td>
<td>2012/08/06</td>
<td>$137,500</td>
</tr>
<tr>
<td>Rhona Davidson</td>
<td>Integration Specialist</td>
<td>Tokyo</td>
<td>55</td>
<td>2010/10/14</td>
<td>$327,900</td>
</tr>
<tr>
<td>Colleen Hurst</td>
<td>Javascript Developer</td>
<td>San Francisco</td>
<td>39</td>
<td>2009/09/15</td>
<td>$205,500</td>
</tr>
<tr>
<td>Sonya Frost</td>
<td>Software Engineer</td>
<td>Edinburgh</td>
<td>23</td>
<td>2008/12/13</td>
<td>$103,600</td>
</tr>
<tr>
<td>Jena Gaines</td>
<td>Office Manager</td>
<td>London</td>
<td>30</td>
<td>2008/12/19</td>
<td>$90,560</td>
</tr>
<tr>
<td>Quinn Flynn</td>
<td>Support Lead</td>
<td>Edinburgh</td>
<td>22</td>
<td>2013/03/03</td>
<td>$342,000</td>
</tr>
<tr>
<td>Charde Marshall</td>
<td>Regional Director</td>
<td>San Francisco</td>
<td>36</td>
<td>2008/10/16</td>
<td>$470,600</td>
</tr>
<tr>
<td>Haley Kennedy</td>
<td>Senior Marketing Designer</td>
<td>London</td>
<td>43</td>
<td>2012/12/18</td>
<td>$313,500</td>
</tr>
<tr>
<td>Tatyana Fitzpatrick</td>
<td>Regional Director</td>
<td>London</td>
<td>19</td>
<td>2010/03/17</td>
<td>$385,750</td>
</tr>
<tr>
<td>Michael Silva</td>
<td>Marketing Designer</td>
<td>London</td>
<td>66</td>
<td>2012/11/27</td>
<td>$198,500</td>
</tr>
<tr>
<td>Paul Byrd</td>
<td>Chief Financial Officer (CFO)</td>
<td>New York</td>
<td>64</td>
<td>2010/06/09</td>
<td>$725,000</td>
</tr>
<tr>
<td>Gloria Little</td>
<td>Systems Administrator</td>
<td>New York</td>
<td>59</td>
<td>2009/04/10</td>
<td>$237,500</td>
</tr>
<tr>
<td>Bradley Greer</td>
<td>Software Engineer</td>
<td>London</td>
<td>41</td>
<td>2012/10/13</td>
<td>$132,000</td>
</tr>
<tr>
<td>Dai Rios</td>
<td>Personnel Lead</td>
<td>Edinburgh</td>
<td>35</td>
<td>2012/09/26</td>
<td>$217,500</td>
</tr>
</tbody>
</table>
So when I kill the DT and do something, I need to find the same object again. Is it possible? I am happy to clarify if it is not clear.

From the manual of DataTable().init(), it does have an option. You need to use:
$("#example").DataTable().init();
Although, this will not give you the exact initialisation object that you have used it before you initialised it, at least you can get to make the same DataTable configuration as how it was before it was killed. A snippet to demonstrate the same is as follows:
$(function() {
$("#example").DataTable({
"paging": false,
"searching": false
});
var config = $("#example").DataTable().init();
$("#example").DataTable().destroy();
console.log(config);
});
<link rel="stylesheet" type="text/css" href="https://cdn.datatables.net/v/bs-3.3.7/jq-2.2.4/dt-1.10.15/datatables.min.css" />
<script type="text/javascript" src="https://cdn.datatables.net/v/bs-3.3.7/jq-2.2.4/dt-1.10.15/datatables.min.js"></script>
<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>
<td>61</td>
<td>2012/12/02</td>
<td>$372,000</td>
</tr>
<tr>
<td>Herrod Chandler</td>
<td>Sales Assistant</td>
<td>San Francisco</td>
<td>59</td>
<td>2012/08/06</td>
<td>$137,500</td>
</tr>
<tr>
<td>Rhona Davidson</td>
<td>Integration Specialist</td>
<td>Tokyo</td>
<td>55</td>
<td>2010/10/14</td>
<td>$327,900</td>
</tr>
<tr>
<td>Colleen Hurst</td>
<td>Javascript Developer</td>
<td>San Francisco</td>
<td>39</td>
<td>2009/09/15</td>
<td>$205,500</td>
</tr>
<tr>
<td>Sonya Frost</td>
<td>Software Engineer</td>
<td>Edinburgh</td>
<td>23</td>
<td>2008/12/13</td>
<td>$103,600</td>
</tr>
<tr>
<td>Jena Gaines</td>
<td>Office Manager</td>
<td>London</td>
<td>30</td>
<td>2008/12/19</td>
<td>$90,560</td>
</tr>
<tr>
<td>Quinn Flynn</td>
<td>Support Lead</td>
<td>Edinburgh</td>
<td>22</td>
<td>2013/03/03</td>
<td>$342,000</td>
</tr>
<tr>
<td>Charde Marshall</td>
<td>Regional Director</td>
<td>San Francisco</td>
<td>36</td>
<td>2008/10/16</td>
<td>$470,600</td>
</tr>
<tr>
<td>Haley Kennedy</td>
<td>Senior Marketing Designer</td>
<td>London</td>
<td>43</td>
<td>2012/12/18</td>
<td>$313,500</td>
</tr>
<tr>
<td>Tatyana Fitzpatrick</td>
<td>Regional Director</td>
<td>London</td>
<td>19</td>
<td>2010/03/17</td>
<td>$385,750</td>
</tr>
<tr>
<td>Michael Silva</td>
<td>Marketing Designer</td>
<td>London</td>
<td>66</td>
<td>2012/11/27</td>
<td>$198,500</td>
</tr>
<tr>
<td>Paul Byrd</td>
<td>Chief Financial Officer (CFO)</td>
<td>New York</td>
<td>64</td>
<td>2010/06/09</td>
<td>$725,000</td>
</tr>
<tr>
<td>Gloria Little</td>
<td>Systems Administrator</td>
<td>New York</td>
<td>59</td>
<td>2009/04/10</td>
<td>$237,500</td>
</tr>
<tr>
<td>Bradley Greer</td>
<td>Software Engineer</td>
<td>London</td>
<td>41</td>
<td>2012/10/13</td>
<td>$132,000</td>
</tr>
<tr>
<td>Dai Rios</td>
<td>Personnel Lead</td>
<td>Edinburgh</td>
<td>35</td>
<td>2012/09/26</td>
<td>$217,500</td>
</tr>
</tbody>
</table>
I had written something similar in my blogpost - Getting the Initialisation Parameters for DataTables, now updated with the link to this question too. Hope this helps.

DataTables set complex headers from javascript

DataTables provide the following example to implement complex headers: https://datatables.net/examples/basic_init/complex_header.html
$(document).ready(function() {
$('#example').DataTable();
} );
<head>
<script src="//code.jquery.com/jquery-1.12.3.js"></script>
<script src="https://cdn.datatables.net/1.10.12/js/jquery.dataTables.min.js"></script>
<link rel="stylesheet" href="https://cdn.datatables.net/1.10.12/css/jquery.dataTables.min.css">
</head>
<table id="example" class="display" cellspacing="0" width="100%">
<thead>
<tr>
<th rowspan="2">Name</th>
<th colspan="2">HR Information</th>
<th colspan="3">Contact</th>
</tr>
<tr>
<th>Position</th>
<th>Salary</th>
<th>Office</th>
<th>Extn.</th>
<th>E-mail</th>
</tr>
</thead>
<tfoot>
<tr>
<th>Name</th>
<th>Position</th>
<th>Salary</th>
<th>Office</th>
<th>Extn.</th>
<th>E-mail</th>
</tr>
</tfoot>
<tbody>
<tr>
<td>Tiger Nixon</td>
<td>System Architect</td>
<td>$320,800</td>
<td>Edinburgh</td>
<td>5421</td>
<td>t.nixon#datatables.net</td>
</tr>
<tr>
<td>Garrett Winters</td>
<td>Accountant</td>
<td>$170,750</td>
<td>Tokyo</td>
<td>8422</td>
<td>g.winters#datatables.net</td>
</tr>
<tr>
<td>Ashton Cox</td>
<td>Junior Technical Author</td>
<td>$86,000</td>
<td>San Francisco</td>
<td>1562</td>
<td>a.cox#datatables.net</td>
</tr>
<tr>
<td>Cedric Kelly</td>
<td>Senior Javascript Developer</td>
<td>$433,060</td>
<td>Edinburgh</td>
<td>6224</td>
<td>c.kelly#datatables.net</td>
</tr>
<tr>
<td>Airi Satou</td>
<td>Accountant</td>
<td>$162,700</td>
<td>Tokyo</td>
<td>5407</td>
<td>a.satou#datatables.net</td>
</tr>
<tr>
<td>Brielle Williamson</td>
<td>Integration Specialist</td>
<td>$372,000</td>
<td>New York</td>
<td>4804</td>
<td>b.williamson#datatables.net</td>
</tr>
<tr>
<td>Herrod Chandler</td>
<td>Sales Assistant</td>
<td>$137,500</td>
<td>San Francisco</td>
<td>9608</td>
<td>h.chandler#datatables.net</td>
</tr>
<tr>
<td>Rhona Davidson</td>
<td>Integration Specialist</td>
<td>$327,900</td>
<td>Tokyo</td>
<td>6200</td>
<td>r.davidson#datatables.net</td>
</tr>
<tr>
<td>Colleen Hurst</td>
<td>Javascript Developer</td>
<td>$205,500</td>
<td>San Francisco</td>
<td>2360</td>
<td>c.hurst#datatables.net</td>
</tr>
<tr>
<td>Sonya Frost</td>
<td>Software Engineer</td>
<td>$103,600</td>
<td>Edinburgh</td>
<td>1667</td>
<td>s.frost#datatables.net</td>
</tr>
<tr>
<td>Jena Gaines</td>
<td>Office Manager</td>
<td>$90,560</td>
<td>London</td>
<td>3814</td>
<td>j.gaines#datatables.net</td>
</tr>
<tr>
<td>Quinn Flynn</td>
<td>Support Lead</td>
<td>$342,000</td>
<td>Edinburgh</td>
<td>9497</td>
<td>q.flynn#datatables.net</td>
</tr>
<tr>
<td>Charde Marshall</td>
<td>Regional Director</td>
<td>$470,600</td>
<td>San Francisco</td>
<td>6741</td>
<td>c.marshall#datatables.net</td>
</tr>
<tr>
<td>Haley Kennedy</td>
<td>Senior Marketing Designer</td>
<td>$313,500</td>
<td>London</td>
<td>3597</td>
<td>h.kennedy#datatables.net</td>
</tr>
<tr>
<td>Tatyana Fitzpatrick</td>
<td>Regional Director</td>
<td>$385,750</td>
<td>London</td>
<td>1965</td>
<td>t.fitzpatrick#datatables.net</td>
</tr>
<tr>
<td>Michael Silva</td>
<td>Marketing Designer</td>
<td>$198,500</td>
<td>London</td>
<td>1581</td>
<td>m.silva#datatables.net</td>
</tr>
<tr>
<td>Paul Byrd</td>
<td>Chief Financial Officer (CFO)</td>
<td>$725,000</td>
<td>New York</td>
<td>3059</td>
<td>p.byrd#datatables.net</td>
</tr>
<tr>
<td>Gloria Little</td>
<td>Systems Administrator</td>
<td>$237,500</td>
<td>New York</td>
<td>1721</td>
<td>g.little#datatables.net</td>
</tr>
<tr>
<td>Bradley Greer</td>
<td>Software Engineer</td>
<td>$132,000</td>
<td>London</td>
<td>2558</td>
<td>b.greer#datatables.net</td>
</tr>
<tr>
<td>Dai Rios</td>
<td>Personnel Lead</td>
<td>$217,500</td>
<td>Edinburgh</td>
<td>2290</td>
<td>d.rios#datatables.net</td>
</tr>
<tr>
<td>Jenette Caldwell</td>
<td>Development Lead</td>
<td>$345,000</td>
<td>New York</td>
<td>1937</td>
<td>j.caldwell#datatables.net</td>
</tr>
<tr>
<td>Yuri Berry</td>
<td>Chief Marketing Officer (CMO)</td>
<td>$675,000</td>
<td>New York</td>
<td>6154</td>
<td>y.berry#datatables.net</td>
</tr>
<tr>
<td>Caesar Vance</td>
<td>Pre-Sales Support</td>
<td>$106,450</td>
<td>New York</td>
<td>8330</td>
<td>c.vance#datatables.net</td>
</tr>
<tr>
<td>Doris Wilder</td>
<td>Sales Assistant</td>
<td>$85,600</td>
<td>Sidney</td>
<td>3023</td>
<td>d.wilder#datatables.net</td>
</tr>
<tr>
<td>Angelica Ramos</td>
<td>Chief Executive Officer (CEO)</td>
<td>$1,200,000</td>
<td>London</td>
<td>5797</td>
<td>a.ramos#datatables.net</td>
</tr>
<tr>
<td>Gavin Joyce</td>
<td>Developer</td>
<td>$92,575</td>
<td>Edinburgh</td>
<td>8822</td>
<td>g.joyce#datatables.net</td>
</tr>
<tr>
<td>Jennifer Chang</td>
<td>Regional Director</td>
<td>$357,650</td>
<td>Singapore</td>
<td>9239</td>
<td>j.chang#datatables.net</td>
</tr>
<tr>
<td>Brenden Wagner</td>
<td>Software Engineer</td>
<td>$206,850</td>
<td>San Francisco</td>
<td>1314</td>
<td>b.wagner#datatables.net</td>
</tr>
<tr>
<td>Fiona Green</td>
<td>Chief Operating Officer (COO)</td>
<td>$850,000</td>
<td>San Francisco</td>
<td>2947</td>
<td>f.green#datatables.net</td>
</tr>
<tr>
<td>Shou Itou</td>
<td>Regional Marketing</td>
<td>$163,000</td>
<td>Tokyo</td>
<td>8899</td>
<td>s.itou#datatables.net</td>
</tr>
<tr>
<td>Michelle House</td>
<td>Integration Specialist</td>
<td>$95,400</td>
<td>Sidney</td>
<td>2769</td>
<td>m.house#datatables.net</td>
</tr>
<tr>
<td>Suki Burks</td>
<td>Developer</td>
<td>$114,500</td>
<td>London</td>
<td>6832</td>
<td>s.burks#datatables.net</td>
</tr>
<tr>
<td>Prescott Bartlett</td>
<td>Technical Author</td>
<td>$145,000</td>
<td>London</td>
<td>3606</td>
<td>p.bartlett#datatables.net</td>
</tr>
<tr>
<td>Gavin Cortez</td>
<td>Team Leader</td>
<td>$235,500</td>
<td>San Francisco</td>
<td>2860</td>
<td>g.cortez#datatables.net</td>
</tr>
<tr>
<td>Martena Mccray</td>
<td>Post-Sales support</td>
<td>$324,050</td>
<td>Edinburgh</td>
<td>8240</td>
<td>m.mccray#datatables.net</td>
</tr>
<tr>
<td>Unity Butler</td>
<td>Marketing Designer</td>
<td>$85,675</td>
<td>San Francisco</td>
<td>5384</td>
<td>u.butler#datatables.net</td>
</tr>
<tr>
<td>Howard Hatfield</td>
<td>Office Manager</td>
<td>$164,500</td>
<td>San Francisco</td>
<td>7031</td>
<td>h.hatfield#datatables.net</td>
</tr>
<tr>
<td>Hope Fuentes</td>
<td>Secretary</td>
<td>$109,850</td>
<td>San Francisco</td>
<td>6318</td>
<td>h.fuentes#datatables.net</td>
</tr>
<tr>
<td>Vivian Harrell</td>
<td>Financial Controller</td>
<td>$452,500</td>
<td>San Francisco</td>
<td>9422</td>
<td>v.harrell#datatables.net</td>
</tr>
<tr>
<td>Timothy Mooney</td>
<td>Office Manager</td>
<td>$136,200</td>
<td>London</td>
<td>7580</td>
<td>t.mooney#datatables.net</td>
</tr>
<tr>
<td>Jackson Bradshaw</td>
<td>Director</td>
<td>$645,750</td>
<td>New York</td>
<td>1042</td>
<td>j.bradshaw#datatables.net</td>
</tr>
<tr>
<td>Olivia Liang</td>
<td>Support Engineer</td>
<td>$234,500</td>
<td>Singapore</td>
<td>2120</td>
<td>o.liang#datatables.net</td>
</tr>
<tr>
<td>Bruno Nash</td>
<td>Software Engineer</td>
<td>$163,500</td>
<td>London</td>
<td>6222</td>
<td>b.nash#datatables.net</td>
</tr>
<tr>
<td>Sakura Yamamoto</td>
<td>Support Engineer</td>
<td>$139,575</td>
<td>Tokyo</td>
<td>9383</td>
<td>s.yamamoto#datatables.net</td>
</tr>
<tr>
<td>Thor Walton</td>
<td>Developer</td>
<td>$98,540</td>
<td>New York</td>
<td>8327</td>
<td>t.walton#datatables.net</td>
</tr>
<tr>
<td>Finn Camacho</td>
<td>Support Engineer</td>
<td>$87,500</td>
<td>San Francisco</td>
<td>2927</td>
<td>f.camacho#datatables.net</td>
</tr>
<tr>
<td>Serge Baldwin</td>
<td>Data Coordinator</td>
<td>$138,575</td>
<td>Singapore</td>
<td>8352</td>
<td>s.baldwin#datatables.net</td>
</tr>
<tr>
<td>Zenaida Frank</td>
<td>Software Engineer</td>
<td>$125,250</td>
<td>New York</td>
<td>7439</td>
<td>z.frank#datatables.net</td>
</tr>
<tr>
<td>Zorita Serrano</td>
<td>Software Engineer</td>
<td>$115,000</td>
<td>San Francisco</td>
<td>4389</td>
<td>z.serrano#datatables.net</td>
</tr>
<tr>
<td>Jennifer Acosta</td>
<td>Junior Javascript Developer</td>
<td>$75,650</td>
<td>Edinburgh</td>
<td>3431</td>
<td>j.acosta#datatables.net</td>
</tr>
<tr>
<td>Cara Stevens</td>
<td>Sales Assistant</td>
<td>$145,600</td>
<td>New York</td>
<td>3990</td>
<td>c.stevens#datatables.net</td>
</tr>
<tr>
<td>Hermione Butler</td>
<td>Regional Director</td>
<td>$356,250</td>
<td>London</td>
<td>1016</td>
<td>h.butler#datatables.net</td>
</tr>
<tr>
<td>Lael Greer</td>
<td>Systems Administrator</td>
<td>$103,500</td>
<td>London</td>
<td>6733</td>
<td>l.greer#datatables.net</td>
</tr>
<tr>
<td>Jonas Alexander</td>
<td>Developer</td>
<td>$86,500</td>
<td>San Francisco</td>
<td>8196</td>
<td>j.alexander#datatables.net</td>
</tr>
<tr>
<td>Shad Decker</td>
<td>Regional Director</td>
<td>$183,000</td>
<td>Edinburgh</td>
<td>6373</td>
<td>s.decker#datatables.net</td>
</tr>
<tr>
<td>Michael Bruce</td>
<td>Javascript Developer</td>
<td>$183,000</td>
<td>Singapore</td>
<td>5384</td>
<td>m.bruce#datatables.net</td>
</tr>
<tr>
<td>Donna Snider</td>
<td>Customer Support</td>
<td>$112,000</td>
<td>New York</td>
<td>4226</td>
<td>d.snider#datatables.net</td>
</tr>
</tbody>
</table>
However, I am using JavaScript initialization:
var table = $('#example').DataTable( {
data: myData,
dom: "B<'row'<'col-sm-6'l><'col-sm-6'f>><'row'<'col-sm-12'tr>><'row'<'col-sm-5'i><'col-sm-7'p>>",
columns: [ {
title: "Position",
data: 'position'
}, {
title: "Salary",
data: 'salary'
}, {
title: "Office",
data: 'office'
}, {title: "Extn",
data: 'Extn'},
{title: "Email",
data: 'Email'}],
});
<table id="cacheTable" class="table-striped">
</table>
This in itself works fine (example doesn't include data/libraries), but now how do I add the complex headers when I instantiate DataTables in this way?

You build complex header by including thead element in your HTML markup, no matter what the data source is. There is no need for columns.title if you're using complex header.
$(document).ready(function() {
var data = [{"name":"Tiger Nixon","position":"System Architect","salary":"$320,800","start_date":"2011/04/25","office":"Edinburgh","extn":"5421"}];
$('#example').DataTable({
data: data,
columns: [
{ data: "name" },
{ data: "position" },
{ data: "office" },
{ data: "extn" },
{ data: "start_date" },
{ data: "salary" }
]
});
} );
<head>
<script src="//code.jquery.com/jquery-1.12.3.js"></script>
<script src="https://cdn.datatables.net/1.10.12/js/jquery.dataTables.min.js"></script>
<link rel="stylesheet" href="https://cdn.datatables.net/1.10.12/css/jquery.dataTables.min.css">
</head>
<table id="example" class="display" cellspacing="0" width="100%">
<thead>
<tr>
<th rowspan="2">Name</th>
<th colspan="2">HR Information</th>
<th colspan="3">Contact</th>
</tr>
<tr>
<th>Position</th>
<th>Salary</th>
<th>Office</th>
<th>Extn.</th>
<th>E-mail</th>
</tr>
</thead>
<tfoot>
<tr>
<th>Name</th>
<th>Position</th>
<th>Salary</th>
<th>Office</th>
<th>Extn.</th>
<th>E-mail</th>
</tr>
</tfoot>
</table>

Develop Reference

JavaScript is the programming language of the Web.

datatable uncheck checked attribute from javascript - javascript

Add this code in your JS file: $("tr").removeClass("selected"); Please find Working example here: Link

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