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HTML

              
                <div class="container">
 <div class="row">
  <div class="col-12">
   <div class="card">
    <div class="card-block">
     <div class="form-group">
      <button type="button" class="bttn success main" id="init">Init</button>
      <button type="button" class="bttn danger main" id="destroy">Destroy</button>
     </div>
    </div>
   </div>
  </div>
 </div>	
 <div class="row">
  <div class="col-12">
   <div class="card">
    <div class="card-block">
     <table>
      <thead>
       <tr>
        <th>Name</th>
        <th>Ext.</th>
        <th>City</th>
        <th>Start Date</th>
        <th>Completion</th>
       </tr>
      </thead>
      <tbody>
       <tr>
        <td>Unity Pugh</td>
        <td>9958</td>
        <td>Curicó</td>
        <td>2005/02/11</td>
        <td>37%</td>
       </tr>
       <tr>
        <td>Theodore Duran</td>
        <td>8971</td>
        <td>Dhanbad</td>
        <td>1999/04/07</td>
        <td>97%</td>
       </tr>
       <tr>
        <td>Kylie Bishop</td>
        <td>3147</td>
        <td>Norman</td>
        <td>2005/09/08</td>
        <td>63%</td>
       </tr>
       <tr>
        <td>Willow Gilliam</td>
        <td>3497</td>
        <td>Amqui</td>
        <td>2009/29/11</td>
        <td>30%</td>
       </tr>
       <tr>
        <td>Blossom Dickerson</td>
        <td>5018</td>
        <td>Kempten</td>
        <td>2006/11/09</td>
        <td>17%</td>
       </tr>
       <tr>
        <td>Elliott Snyder</td>
        <td>3925</td>
        <td>Enines</td>
        <td>2006/03/08</td>
        <td>57%</td>
       </tr>
       <tr>
        <td>Castor Pugh</td>
        <td>9488</td>
        <td>Neath</td>
        <td>2014/23/12</td>
        <td>93%</td>
       </tr>
       <tr>
        <td>Pearl Carlson</td>
        <td>6231</td>
        <td>Cobourg</td>
        <td>2014/31/08</td>
        <td>100%</td>
       </tr>
       <tr>
        <td>Deirdre Bridges</td>
        <td>1579</td>
        <td>Eberswalde-Finow</td>
        <td>2014/26/08</td>
        <td>44%</td>
       </tr>
       <tr>
        <td>Daniel Baldwin</td>
        <td>6095</td>
        <td>Moircy</td>
        <td>2000/11/01</td>
        <td>33%</td>
       </tr>
       <tr>
        <td>Phelan Kane</td>
        <td>9519</td>
        <td>Germersheim</td>
        <td>1999/16/04</td>
        <td>77%</td>
       </tr>
       <tr>
        <td>Quentin Salas</td>
        <td>1339</td>
        <td>Los Andes</td>
        <td>2011/26/01</td>
        <td>49%</td>
       </tr>
       <tr>
        <td>Armand Suarez</td>
        <td>6583</td>
        <td>Funtua</td>
        <td>1999/06/11</td>
        <td>9%</td>
       </tr>
       <tr>
        <td>Gretchen Rogers</td>
        <td>5393</td>
        <td>Moxhe</td>
        <td>1998/26/10</td>
        <td>24%</td>
       </tr>
       <tr>
        <td>Harding Thompson</td>
        <td>2824</td>
        <td>Abeokuta</td>
        <td>2008/06/08</td>
        <td>10%</td>
       </tr>
       <tr>
        <td>Mira Rocha</td>
        <td>4393</td>
        <td>Port Harcourt</td>
        <td>2002/04/10</td>
        <td>14%</td>
       </tr>
       <tr>
        <td>Drew Phillips</td>
        <td>2931</td>
        <td>Goes</td>
        <td>2011/18/10</td>
        <td>58%</td>
       </tr>
       <tr>
        <td>Emerald Warner</td>
        <td>6205</td>
        <td>Chiavari</td>
        <td>2002/08/04</td>
        <td>58%</td>
       </tr>
       <tr>
        <td>Colin Burch</td>
        <td>7457</td>
        <td>Anamur</td>
        <td>2004/02/01</td>
        <td>34%</td>
       </tr>
       <tr>
        <td>Russell Haynes</td>
        <td>8916</td>
        <td>Frascati</td>
        <td>2015/28/04</td>
        <td>18%</td>
       </tr>
       <tr>
        <td>Brennan Brooks</td>
        <td>9011</td>
        <td>Olmué</td>
        <td>2000/18/04</td>
        <td>2%</td>
       </tr>
       <tr>
        <td>Kane Anthony</td>
        <td>8075</td>
        <td>LaSalle</td>
        <td>2006/21/05</td>
        <td>93%</td>
       </tr>
       <tr>
        <td>Scarlett Hurst</td>
        <td>1019</td>
        <td>Brampton</td>
        <td>2015/07/01</td>
        <td>94%</td>
       </tr>
       <tr>
        <td>James Scott</td>
        <td>3008</td>
        <td>Meux</td>
        <td>2007/30/05</td>
        <td>55%</td>
       </tr>
       <tr>
        <td>Desiree Ferguson</td>
        <td>9054</td>
        <td>Gojra</td>
        <td>2009/15/02</td>
        <td>81%</td>
       </tr>
       <tr>
        <td>Elaine Bishop</td>
        <td>9160</td>
        <td>Petrópolis</td>
        <td>2008/23/12</td>
        <td>48%</td>
       </tr>
       <tr>
        <td>Hilda Nelson</td>
        <td>6307</td>
        <td>Posina</td>
        <td>2004/23/05</td>
        <td>76%</td>
       </tr>
       <tr>
        <td>Evangeline Beasley</td>
        <td>3820</td>
        <td>Caplan</td>
        <td>2009/12/03</td>
        <td>62%</td>
       </tr>
       <tr>
        <td>Wyatt Riley</td>
        <td>5694</td>
        <td>Cavaion Veronese</td>
        <td>2012/19/02</td>
        <td>67%</td>
       </tr>
       <tr>
        <td>Wyatt Mccarthy</td>
        <td>3547</td>
        <td>Patan</td>
        <td>2014/23/06</td>
        <td>9%</td>
       </tr>
       <tr>
        <td>Cairo Rice</td>
        <td>6273</td>
        <td>Ostra Vetere</td>
        <td>2016/27/02</td>
        <td>13%</td>
       </tr>
       <tr>
        <td>Sylvia Peters</td>
        <td>6829</td>
        <td>Arrah</td>
        <td>2015/03/02</td>
        <td>13%</td>
       </tr>
       <tr>
        <td>Kasper Craig</td>
        <td>5515</td>
        <td>Firenze</td>
        <td>2015/26/04</td>
        <td>56%</td>
       </tr>
       <tr>
        <td>Leigh Ruiz</td>
        <td>5112</td>
        <td>Lac Ste. Anne</td>
        <td>2001/09/02</td>
        <td>28%</td>
       </tr>
       <tr>
        <td>Athena Aguirre</td>
        <td>5741</td>
        <td>Romeral</td>
        <td>2010/24/03</td>
        <td>15%</td>
       </tr>
       <tr>
        <td>Riley Nunez</td>
        <td>5533</td>
        <td>Sart-Eustache</td>
        <td>2003/26/02</td>
        <td>30%</td>
       </tr>
       <tr>
        <td>Lois Talley</td>
        <td>9393</td>
        <td>Dorchester</td>
        <td>2014/05/01</td>
        <td>51%</td>
       </tr>
       <tr>
        <td>Hop Bass</td>
        <td>1024</td>
        <td>Westerlo</td>
        <td>2012/25/09</td>
        <td>85%</td>
       </tr>
       <tr>
        <td>Kalia Diaz</td>
        <td>9184</td>
        <td>Ichalkaranji</td>
        <td>2013/26/06</td>
        <td>92%</td>
       </tr>
       <tr>
        <td>Maia Pate</td>
        <td>6682</td>
        <td>Louvain-la-Neuve</td>
        <td>2011/23/04</td>
        <td>50%</td>
       </tr>
       <tr>
        <td>Macaulay Pruitt</td>
        <td>4457</td>
        <td>Fraser-Fort George</td>
        <td>2015/03/08</td>
        <td>92%</td>
       </tr>
       <tr>
        <td>Danielle Oconnor</td>
        <td>9464</td>
        <td>Neuwied</td>
        <td>2001/05/10</td>
        <td>17%</td>
       </tr>
       <tr>
        <td>Kato Carr</td>
        <td>4842</td>
        <td>Faridabad</td>
        <td>2012/11/05</td>
        <td>96%</td>
       </tr>
       <tr>
        <td>Malachi Mejia</td>
        <td>7133</td>
        <td>Vorst</td>
        <td>2007/25/04</td>
        <td>26%</td>
       </tr>
       <tr>
        <td>Dominic Carver</td>
        <td>3476</td>
        <td>Pointe-aux-Trembles</td>
        <td>2014/14/03</td>
        <td>71%</td>
       </tr>
       <tr>
        <td>Paki Santos</td>
        <td>4424</td>
        <td>Cache Creek</td>
        <td>2001/18/11</td>
        <td>82%</td>
       </tr>
       <tr>
        <td>Ross Hodges</td>
        <td>1862</td>
        <td>Trazegnies</td>
        <td>2010/19/09</td>
        <td>87%</td>
       </tr>
       <tr>
        <td>Hilda Whitley</td>
        <td>3514</td>
        <td>New Sarepta</td>
        <td>2011/05/07</td>
        <td>94%</td>
       </tr>
       <tr>
        <td>Roth Cherry</td>
        <td>4006</td>
        <td>Flin Flon</td>
        <td>2008/02/09</td>
        <td>8%</td>
       </tr>
       <tr>
        <td>Lareina Jones</td>
        <td>8642</td>
        <td>East Linton</td>
        <td>2009/07/08</td>
        <td>21%</td>
       </tr>
       <tr>
        <td>Joshua Weiss</td>
        <td>2289</td>
        <td>Saint-L�onard</td>
        <td>2010/15/01</td>
        <td>52%</td>
       </tr>
       <tr>
        <td>Kiona Lowery</td>
        <td>5952</td>
        <td>Inuvik</td>
        <td>2002/17/12</td>
        <td>72%</td>
       </tr>
       <tr>
        <td>Nina Rush</td>
        <td>7567</td>
        <td>Bo‘lhe</td>
        <td>2008/27/01</td>
        <td>6%</td>
       </tr>
       <tr>
        <td>Palmer Parker</td>
        <td>2000</td>
        <td>Stade</td>
        <td>2012/24/07</td>
        <td>58%</td>
       </tr>
       <tr>
        <td>Vielka Olsen</td>
        <td>3745</td>
        <td>Vrasene</td>
        <td>2016/08/01</td>
        <td>70%</td>
       </tr>
       <tr>
        <td>Meghan Cunningham</td>
        <td>8604</td>
        <td>Söke</td>
        <td>2007/16/02</td>
        <td>59%</td>
       </tr>
       <tr>
        <td>Iola Shaw</td>
        <td>6447</td>
        <td>Albany</td>
        <td>2014/05/03</td>
        <td>88%</td>
       </tr>
       <tr>
        <td>Imelda Cole</td>
        <td>4564</td>
        <td>Haasdonk</td>
        <td>2007/16/11</td>
        <td>79%</td>
       </tr>
       <tr>
        <td>Jerry Beach</td>
        <td>6801</td>
        <td>Gattatico</td>
        <td>1999/07/07</td>
        <td>36%</td>
       </tr>
       <tr>
        <td>Garrett Rocha</td>
        <td>3938</td>
        <td>Gavorrano</td>
        <td>2000/06/08</td>
        <td>71%</td>
       </tr>
       <tr>
        <td>Derek Kerr</td>
        <td>1724</td>
        <td>Gualdo Cattaneo</td>
        <td>2014/21/01</td>
        <td>89%</td>
       </tr>
       <tr>
        <td>Shad Hudson</td>
        <td>5944</td>
        <td>Salamanca</td>
        <td>2014/10/12</td>
        <td>98%</td>
       </tr>
       <tr>
        <td>Daryl Ayers</td>
        <td>8276</td>
        <td>Barchi</td>
        <td>2012/12/11</td>
        <td>88%</td>
       </tr>
       <tr>
        <td>Caleb Livingston</td>
        <td>3094</td>
        <td>Fatehpur</td>
        <td>2014/13/02</td>
        <td>8%</td>
       </tr>
       <tr>
        <td>Sydney Meyer</td>
        <td>4576</td>
        <td>Neubrandenburg</td>
        <td>2015/06/02</td>
        <td>22%</td>
       </tr>
       <tr>
        <td>Lani Lawrence</td>
        <td>8501</td>
        <td>Turnhout</td>
        <td>2008/07/05</td>
        <td>16%</td>
       </tr>
       <tr>
        <td>Allegra Shepherd</td>
        <td>2576</td>
        <td>Meeuwen-Gruitrode</td>
        <td>2004/19/04</td>
        <td>41%</td>
       </tr>
       <tr>
        <td>Fallon Reyes</td>
        <td>3178</td>
        <td>Monceau-sur-Sambre</td>
        <td>2005/15/02</td>
        <td>16%</td>
       </tr>
       <tr>
        <td>Karen Whitley</td>
        <td>4357</td>
        <td>Sluis</td>
        <td>2003/02/05</td>
        <td>23%</td>
       </tr>
       <tr>
        <td>Stewart Stephenson</td>
        <td>5350</td>
        <td>Villa Faraldi</td>
        <td>2003/05/07</td>
        <td>65%</td>
       </tr>
       <tr>
        <td>Ursula Reynolds</td>
        <td>7544</td>
        <td>Southampton</td>
        <td>1999/16/12</td>
        <td>61%</td>
       </tr>
       <tr>
        <td>Adrienne Winters</td>
        <td>4425</td>
        <td>Laguna Blanca</td>
        <td>2014/15/09</td>
        <td>24%</td>
       </tr>
       <tr>
        <td>Francesca Brock</td>
        <td>1337</td>
        <td>Oban</td>
        <td>2000/12/06</td>
        <td>90%</td>
       </tr>
       <tr>
        <td>Ursa Davenport</td>
        <td>7629</td>
        <td>New Plymouth</td>
        <td>2013/27/06</td>
        <td>37%</td>
       </tr>
       <tr>
        <td>Mark Brock</td>
        <td>3310</td>
        <td>Veenendaal</td>
        <td>2006/08/09</td>
        <td>41%</td>
       </tr>
       <tr>
        <td>Dale Rush</td>
        <td>5050</td>
        <td>Chicoutimi</td>
        <td>2000/27/03</td>
        <td>2%</td>
       </tr>
       <tr>
        <td>Shellie Murphy</td>
        <td>3845</td>
        <td>Marlborough</td>
        <td>2013/13/11</td>
        <td>72%</td>
       </tr>
       <tr>
        <td>Porter Nicholson</td>
        <td>4539</td>
        <td>Bismil</td>
        <td>2012/22/10</td>
        <td>23%</td>
       </tr>
       <tr>
        <td>Oliver Huber</td>
        <td>1265</td>
        <td>Hannche</td>
        <td>2002/11/01</td>
        <td>94%</td>
       </tr>
       <tr>
        <td>Calista Maynard</td>
        <td>3315</td>
        <td>Pozzuolo del Friuli</td>
        <td>2006/23/03</td>
        <td>5%</td>
       </tr>
       <tr>
        <td>Lois Vargas</td>
        <td>6825</td>
        <td>Cumberland</td>
        <td>1999/25/04</td>
        <td>50%</td>
       </tr>
       <tr>
        <td>Hermione Dickson</td>
        <td>2785</td>
        <td>Woodstock</td>
        <td>2001/22/03</td>
        <td>2%</td>
       </tr>
       <tr>
        <td>Dalton Jennings</td>
        <td>5416</td>
        <td>Dudzele</td>
        <td>2015/09/02</td>
        <td>74%</td>
       </tr>
       <tr>
        <td>Cathleen Kramer</td>
        <td>3380</td>
        <td>Crowsnest Pass</td>
        <td>2012/27/07</td>
        <td>53%</td>
       </tr>
       <tr>
        <td>Zachery Morgan</td>
        <td>6730</td>
        <td>Collines-de-l'Outaouais</td>
        <td>2006/04/09</td>
        <td>51%</td>
       </tr>
       <tr>
        <td>Yoko Freeman</td>
        <td>4077</td>
        <td>Lidköping</td>
        <td>2002/27/12</td>
        <td>48%</td>
       </tr>
       <tr>
        <td>Chaim Waller</td>
        <td>4240</td>
        <td>North Shore</td>
        <td>2010/25/07</td>
        <td>25%</td>
       </tr>
       <tr>
        <td>Berk Johnston</td>
        <td>4532</td>
        <td>Vergnies</td>
        <td>2016/23/02</td>
        <td>93%</td>
       </tr>
       <tr>
        <td>Tad Munoz</td>
        <td>2902</td>
        <td>Saint-Nazaire</td>
        <td>2010/09/05</td>
        <td>65%</td>
       </tr>
       <tr>
        <td>Vivien Dominguez</td>
        <td>5653</td>
        <td>Bargagli</td>
        <td>2001/09/01</td>
        <td>86%</td>
       </tr>
       <tr>
        <td>Carissa Lara</td>
        <td>3241</td>
        <td>Sherborne</td>
        <td>2015/07/12</td>
        <td>72%</td>
       </tr>
       <tr>
        <td>Hammett Gordon</td>
        <td>8101</td>
        <td>Wah</td>
        <td>1998/06/09</td>
        <td>20%</td>
       </tr>
       <tr>
        <td>Walker Nixon</td>
        <td>6901</td>
        <td>Metz</td>
        <td>2011/12/11</td>
        <td>41%</td>
       </tr>
       <tr>
        <td>Nathan Espinoza</td>
        <td>5956</td>
        <td>Strathcona County</td>
        <td>2002/25/01</td>
        <td>47%</td>
       </tr>
       <tr>
        <td>Kelly Cameron</td>
        <td>4836</td>
        <td>Fontaine-Valmont</td>
        <td>1999/02/07</td>
        <td>24%</td>
       </tr>
       <tr>
        <td>Kyra Moses</td>
        <td>3796</td>
        <td>Quenast</td>
        <td>1998/07/07</td>
        <td>68%</td>
       </tr>
       <tr>
        <td>Grace Bishop</td>
        <td>8340</td>
        <td>Rodez</td>
        <td>2012/02/10</td>
        <td>4%</td>
       </tr>
       <tr>
        <td>Haviva Hernandez</td>
        <td>8136</td>
        <td>Suwałki</td>
        <td>2000/30/01</td>
        <td>16%</td>
       </tr>
       <tr>
        <td>Alisa Horn</td>
        <td>9853</td>
        <td>Ucluelet</td>
        <td>2007/01/11</td>
        <td>39%</td>
       </tr>
       <tr>
        <td>Zelenia Roman</td>
        <td>7516</td>
        <td>Redwater</td>
        <td>2012/03/03</td>
        <td>31%</td>
       </tr>
      </tbody>
     </table>
    </div>
   </div>
  </div>
 </div>
 <div id="hide">
  <div class="row">
   <div class="col-12">
    <div class="card">
     <div class="card-header">
      Column Visibility
     </div>
     <div class="card-block">
      <div class="form-group" id="columns"></div>
     </div>
    </div>
   </div>
  </div>
  <div class="row">
   <div class="col-12">
    <div class="card">
     <div class="card-header">
      Import / Export Data
     </div>
     <div class="card-block">
      <div class="form-group">
       <textarea name="" id="" cols="30" rows="2" placeholder="Paste your csv or json string here..."></textarea>
      </div>
      <div class="form-group">
       <button type="button" class="bttn primary import" data-type="csv">Import CSV</button>
       <button type="button" class="bttn primary import" data-type="json">Import JSON</button>
       <button type="button" class="bttn success export" data-type="csv">Export CSV</button>
       <button type="button" class="bttn success export" data-type="sql">Export SQL</button>
       <button type="button" class="bttn success export" data-type="json">Export JSON</button>
      </div>
      <div class="form-group">
       <small>NOTE: The csv column delimiters and line delimiters are set to <code>","</code> and <code>"\n"</code> respectively.</small>
      </div>
     </div>
    </div>
   </div>
  </div>
 </div>
</div>
              
            
!

CSS

              
                body {
	font-family: "Lato";
}

#columns {
    display: flex;
    align-items: center;
    justify-content: space-around;
    flex-grow: 1;
    margin: 0;
}

.hidden {
	display: none;
}

.card {
	margin: 10px 0;
}

/* CONTAINERS */
.dataTable-wrapper.no-header .dataTable-container {
	border-top: 1px solid #d9d9d9;
}

.dataTable-wrapper.no-footer .dataTable-container {
	border-bottom: 1px solid #d9d9d9;
}

.dataTable-top,
.dataTable-bottom {
	padding: 8px 10px;
}

.dataTable-top > div:first-child,
.dataTable-bottom > div:first-child {
	float: left;
}

.dataTable-top > div:last-child,
.dataTable-bottom > div:last-child {
	float: right;
}

.dataTable-selector {
	padding: 6px;
}

.dataTable-input {
	padding: 6px 12px;
}

.dataTable-info {
	margin: 7px 0;
}

/* PAGER */
.dataTable-pagination ul {
	margin: 0;
	padding-left: 0;
}

.dataTable-pagination li {
	list-style: none;
	float: left;
}

.dataTable-pagination a {
	border: 1px solid transparent;
	float: left;
	margin-left: 2px;
	padding: 6px 12px;
	position: relative;
	text-decoration: none;
	color: #333;
}

.dataTable-pagination a:hover {
	background-color: #d9d9d9;
}

.dataTable-pagination .active a,
.dataTable-pagination .active a:focus,
.dataTable-pagination .active a:hover {
	background-color: #d9d9d9;
	cursor: default;
}

.dataTable-pagination .ellipsis a,
.dataTable-pagination .disabled a,
.dataTable-pagination .disabled a:focus,
.dataTable-pagination .disabled a:hover {
	cursor: not-allowed;
}

.dataTable-pagination .disabled a,
.dataTable-pagination .disabled a:focus,
.dataTable-pagination .disabled a:hover {
	cursor: not-allowed;
	opacity: 0.4;
}

.dataTable-pagination .pager a {
	font-weight: bold;
}

/* TABLE */
.dataTable-table {
	max-width: 100%;
	width: 100%;
	border-spacing: 0;
}

.dataTable-table > tbody > tr > td,
.dataTable-table > tbody > tr > th,
.dataTable-table > tfoot > tr > td,
.dataTable-table > tfoot > tr > th,
.dataTable-table > thead > tr > td,
.dataTable-table > thead > tr > th {
	vertical-align: top;
	padding: 8px 10px;
}

.dataTable-table > thead > tr > th {
	vertical-align: bottom;
	text-align: left;
	border-bottom: 1px solid #d9d9d9;
}

.dataTable-table > tfoot > tr > th {
	vertical-align: bottom;
	text-align: left;
	border-top: 1px solid #d9d9d9;
}

.dataTable-table th {
	vertical-align: bottom;
	text-align: left;
}

.dataTable-table th a {
	text-decoration: none;
	color: inherit;
}

.dataTable-sorter {
	display: inline-block;
	height: 100%;
	position: relative;
	width: 100%;
}

.dataTable-sorter::before,
.dataTable-sorter::after {
	content: "";
	height: 0;
	width: 0;
	position: absolute;
	right: 4px;
	border-left: 4px solid transparent;
	border-right: 4px solid transparent;
	opacity: 0;
}

.dataTable-sorter::before {
	border-top: 4px solid #000;
	bottom: 2px;
}

.dataTable-sorter::after {
	border-bottom: 4px solid #000;
	border-top: 4px solid transparent;
	top: -2px;
}

.asc .dataTable-sorter::after,
.desc .dataTable-sorter::before {
	opacity: 0.6;
}

.dataTables-empty {
	text-align: center;
}

.dataTable-top::after, .dataTable-bottom::after {
	clear: both;
	content: " ";
	display: table;
}
              
            
!

JS

              
                var table = document.getElementsByTagName("table")[0];
var textarea = document.getElementsByTagName("textarea")[0];
var div = document.getElementById("data");
var btn = document.getElementsByTagName("button")[0];
var checkboxes = document.getElementById("columns");
var inputs = [], visible = [], hidden = [];

var datatable = new DataTable(table, {
	perPage: 5,
});

datatable.on("datatable.init", function() {
	setCheckboxes()
});

function updateColumns() {
	try {
		datatable.columns().show(visible);
		datatable.columns().hide(hidden);	
	} catch(e) {
		console.log(e);
	}
}

function setCheckboxes() {
	inputs = [];
	visible = [];	
	checkboxes.innerHTML = "";
	
	util.each(datatable.headings, function(i, heading) {
		var checkbox = util.createElement("div", { class: "checkbox" });
		var input = util.createElement("input", { type: "checkbox", id: "checkbox-" + i, name: "checkbox" });
		var label = util.createElement("label", { for: "checkbox-" + i, text: heading.textContent });
		
		input.idx = i;

		if ( datatable.columns().visible(heading.cellIndex) ) {
			input.checked = true;
			visible.push(i);
		} else {
			if ( hidden.indexOf(i) < 0 ) {
				hidden.push(i);
			}
		}

		checkbox.appendChild(input)
		checkbox.appendChild(label)

		checkboxes.appendChild(checkbox);

		inputs.push(input);
	});
	
	util.each(inputs, function(i, input) {

			input.onchange = function(e) {
				if ( input.checked ) {
					hidden.splice(hidden.indexOf(input.idx), 1);
					visible.push(input.idx);
				} else {
					visible.splice(visible.indexOf(input.idx), 1);
					hidden.push(input.idx);
				}
				
				updateColumns();
			};	
	});	
}

textarea.addEventListener("input", function(e) {
	if ( this.value.length ) {
		this.parentNode.classList.remove("error");
	}
})

document.querySelectorAll(".export").forEach(function(el) {
	el.addEventListener("click", function(e) {
		var type = el.dataset.type;
		
		var data = {
			type: type,
			filename: "my-" + type,
		};
		
		if ( type === "csv" ) {
			data.columnDelimiter = "|";
		}
		
		datatable.export(data);
	});
});

document.querySelectorAll(".main").forEach(function(el) {
	el.addEventListener("click", e => {
		datatable[el.id]();
		setTimeout(function() {
			document.getElementById("hide").classList.toggle("hidden", !datatable.initialized);
			table.classList.toggle("table", !datatable.initialized);
		}, 10);
	});
});

document.querySelectorAll(".import").forEach(function(el) {
	el.addEventListener("click", e => {
		var type = el.dataset.type;
		
		var data = {
			type: type,
			data: textarea.value
		};
		
		textarea.parentNode.classList.remove("error");
		
		if ( !data.data.length ) {
			textarea.parentNode.classList.add("error");
			return false;
		}
		
		datatable.import(data);
	});
});
              
            
!
999px

Console