[WordPress] Bootstrapping JavaScript Files in WordPress

00-wp-js-boilerplate.js

;(function( $ ) {
  'use strict';
  
  $(function() {
    
  });
})( jQuery );

01-wp-js-demo.js

;(function( $ ) {
  'use strict';
  
  /**
   * This function handles WordPress' heartbeat-send functionality.
   *
   * @param $doc A jQuery-wrapped version of the document object.
   */
  var on_send = function( $doc ) {
    // The code for the implementation goes here.
  };
  
  /**
   * This function handles WordPress' heartbeat-tick functionality.
   *
   * @param $doc A jQuery-wrapped version of the document object.
   */
  var on_tick = function( $doc ) {
    // The code for the implementation goes here.
  };
  
  /**
   * This plugin's bootstrap functionality resides in the ready handler below this line.
   */
  
  $(function() {
    
    var $doc = $( document );
    
    on_send( $doc );
    on_tick( $doc );
    
  });
})( jQuery );