jQuery add ACF value as class to element

				
					<?php
function add_acf_colorbg_class_script() {
	$colorbg = get_field('item_achtergrondkleur');
	if ($colorbg) {
        ?>
        <script>
            jQuery(document).ready(function($) {
                $('.gradient').addClass('<?php echo esc_attr($colorbg); ?>');
            });
        </script>
        <?php
    }
}
add_action('wp_head', 'add_acf_colorbg_class_script');