DataTables example Using API in callbacks

There are times when you may wish to call API functions inside the DataTables callback functions (for example initComplete, rowCallback etc). The complicating issue with this is that the object hasn't fully initialised, so you can't assign the result to a variable and then use that variable in the callback. However, all of DataTables' callback functions are executed in the scope of the DataTable instance, so you can use the Javascript special variable this to access the API (this.api() will give an API instance) as this is the table node.

In this example you will be able to see that the $() method is used to get all cell nodes in the table's body and then act on them (in this case adding a click event). The action here is to apply a filter to the table with the value of what is in each cell.

It is also worth noting that this same effect could be achieved by attaching a delegated click event after the table has been initialised - but the example shows the use of the API inside the callbacks!

Name Position Office Age Start date Salary
Name Position Office Age Start date Salary
Tiger Nixon System Architect Edinburgh 61 2011/04/25 $320,800
Garrett Winters Accountant Tokyo 63 2011/07/25 $170,750
Ashton Cox Junior Technical Author San Francisco 66 2009/01/12 $86,000
Cedric Kelly Senior Javascript Developer Edinburgh 22 2012/03/29 $433,060
Airi Satou Accountant Tokyo 33 2008/11/28 $162,700
Brielle Williamson Integration Specialist New York 61 2012/12/02 $372,000
Herrod Chandler Sales Assistant San Francisco 59 2012/08/06 $137,500
Rhona Davidson Integration Specialist Tokyo 55 2010/10/14 $327,900
Colleen Hurst Javascript Developer San Francisco 39 2009/09/15 $205,500
Sonya Frost Software Engineer Edinburgh 23 2008/12/13 $103,600
Jena Gaines Office Manager London 30 2008/12/19 $90,560
Quinn Flynn Support Lead Edinburgh 22 2013/03/03 $342,000
Charde Marshall Regional Director San Francisco 36 2008/10/16 $470,600
Haley Kennedy Senior Marketing Designer London 43 2012/12/18 $313,500
Tatyana Fitzpatrick Regional Director London 19 2010/03/17 $385,750
Michael Silva Marketing Designer London 66 2012/11/27 $198,500
Paul Byrd Chief Financial Officer (CFO) New York 64 2010/06/09 $725,000
Gloria Little Systems Administrator New York 59 2009/04/10 $237,500
Bradley Greer Software Engineer London 41 2012/10/13 $132,000
Dai Rios Personnel Lead Edinburgh 35 2012/09/26 $217,500
Jenette Caldwell Development Lead New York 30 2011/09/03 $345,000
Yuri Berry Chief Marketing Officer (CMO) New York 40 2009/06/25 $675,000
Caesar Vance Pre-Sales Support New York 21 2011/12/12 $106,450
Doris Wilder Sales Assistant Sidney 23 2010/09/20 $85,600
Angelica Ramos Chief Executive Officer (CEO) London 47 2009/10/09 $1,200,000
Gavin Joyce Developer Edinburgh 42 2010/12/22 $92,575
Jennifer Chang Regional Director Singapore 28 2010/11/14 $357,650
Brenden Wagner Software Engineer San Francisco 28 2011/06/07 $206,850
Fiona Green Chief Operating Officer (COO) San Francisco 48 2010/03/11 $850,000
Shou Itou Regional Marketing Tokyo 20 2011/08/14 $163,000
Michelle House Integration Specialist Sidney 37 2011/06/02 $95,400
Suki Burks Developer London 53 2009/10/22 $114,500
Prescott Bartlett Technical Author London 27 2011/05/07 $145,000
Gavin Cortez Team Leader San Francisco 22 2008/10/26 $235,500
Martena Mccray Post-Sales support Edinburgh 46 2011/03/09 $324,050
Unity Butler Marketing Designer San Francisco 47 2009/12/09 $85,675
Howard Hatfield Office Manager San Francisco 51 2008/12/16 $164,500
Hope Fuentes Secretary San Francisco 41 2010/02/12 $109,850
Vivian Harrell Financial Controller San Francisco 62 2009/02/14 $452,500
Timothy Mooney Office Manager London 37 2008/12/11 $136,200
Jackson Bradshaw Director New York 65 2008/09/26 $645,750
Olivia Liang Support Engineer Singapore 64 2011/02/03 $234,500
Bruno Nash Software Engineer London 38 2011/05/03 $163,500
Sakura Yamamoto Support Engineer Tokyo 37 2009/08/19 $139,575
Thor Walton Developer New York 61 2013/08/11 $98,540
Finn Camacho Support Engineer San Francisco 47 2009/07/07 $87,500
Serge Baldwin Data Coordinator Singapore 64 2012/04/09 $138,575
Zenaida Frank Software Engineer New York 63 2010/01/04 $125,250
Zorita Serrano Software Engineer San Francisco 56 2012/06/01 $115,000
Jennifer Acosta Junior Javascript Developer Edinburgh 43 2013/02/01 $75,650
Cara Stevens Sales Assistant New York 46 2011/12/06 $145,600
Hermione Butler Regional Director London 47 2011/03/21 $356,250
Lael Greer Systems Administrator London 21 2009/02/27 $103,500
Jonas Alexander Developer San Francisco 30 2010/07/14 $86,500
Shad Decker Regional Director Edinburgh 51 2008/11/13 $183,000
Michael Bruce Javascript Developer Singapore 29 2011/06/27 $183,000
Donna Snider Customer Support New York 27 2011/01/25 $112,000

The Javascript shown below is used to initialise the table shown in this example:

$(document).ready(function() { $('#example').DataTable( { "initComplete": function () { var api = this.api(); api.$('td').click( function () { api.search( this.innerHTML ).draw(); } ); } } ); } );

In addition to the above code, the following Javascript library files are loaded for use in this example:

The HTML shown below is the raw HTML table element, before it has been enhanced by DataTables:

This example uses a little bit of additional CSS beyond what is loaded from the library files (below), in order to correctly display the table. The additional CSS used is shown below:

The following CSS library files are loaded for use in this example to provide the styling of the table:

This table loads data by Ajax. The latest data that has been loaded is shown below. This data will update automatically as any additional data is loaded.

The script used to perform the server-side processing for this table is shown below. Please note that this is just an example script using PHP. Server-side processing scripts can be written in any language, using the protocol described in the DataTables documentation.