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Front-end callbacks

Video versionA video overview of front-end callbacks in wpDataTables

This video is currently being re-filmed and is coming soon. Stay tuned!

wpDataTable Front-end callbacks

Front-end (JS) part of wpDataTables plays a significant role in the plugin functionality. Mostly the front-end rendering is done by DataTables jQuery plugin, but wpDataTables introduces some callbacks of its own.

All wpDataTables existing on the page are reflected in the global JavaScript object called ‘wpDataTables‘. If you check this variable in the JS developer console you will see the wpDataTables as properties of this object:

addOnDrawCallback( function callback() );

Let’s see an example.

Here’s a wpDataTable:

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If we check the developer console, we can see that this wpDataTable can be accessed via a global variable:

wpDataTables.table_1

To assign a simple function to the redraw event we can use e.g. this jQuery snippet:

<script type="text/javascript">
jQuery(window).load(function(){
  wpDataTables.table_1.addOnDrawCallback(
  function(){
    jQuery('#callback_msg_container').append('Callback triggered!');
   })
});
</script>

The snippet is live on this page – so just try to sort, filter, or switch pages in the table to see how it works!

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