functions.php

<?php

add_action( 'wp_ajax_project_init_soliloquy_sliders', 'project_ajax_init_sliders' );
add_action( 'wp_ajax_nopriv_project_init_soliloquy_sliders', 'project_ajax_init_sliders' );
/**
 * Grabs JS and executes it for any uninitialised Soliloquy sliders on screen
 *
 * Used in `global.js` to initialize any sliders loaded
 * by AJAX requests e.g. after an Infinite Scroll event.
 *
 * @since 1.0.0
 */
function project_ajax_init_sliders() {

	if ( ! class_exists('Soliloquy' ) || ! isset( $_REQUEST['ids'] )) {
		die();
	}

	// Run a security check first.
	check_ajax_referer( 'soliloquy-ajax-nonce', 'ajax_nonce' );

	// Setup instance
	$instance = Soliloquy_Shortcode::get_instance();
	$base     = Soliloquy::get_instance();

	// Build JS for each slider
	$js = '';
	foreach ( $_REQUEST['ids'] as $slider_id ) {
		if ( $data = $base->get_slider( $slider_id ) ) {
			$js .= $instance->slider_init_single( $data );
			continue;
		}
	}

	// Output JS
	echo $js;
	die();

}