Snippet to add a clear selection button to Iconic Delivery Slots

iconic-wds-add-clear-selection-btn.php

<?php
/**
 * Add the clear selection button.
 */
add_action(
	'iconic_wds_after_delivery_details_fields',
	function() {
		echo '<a href="#" class="iconic-wds-clear-selection-btn">Clear selection</a>';
	}
);

/**
 * Add JS code to the checkout page footer.
 */
function iconic_wds_add_custom_js() {
	if ( ! is_checkout() ) {
		return;
	}
	?>
	<script>
		jQuery( document ).on( 'click', '.iconic-wds-clear-selection-btn', function(e) {
			e.preventDefault();
			jQuery('#jckwds-delivery-date').datepicker('setDate', null);
			jQuery("#jckwds-delivery-time").val('0')

			jQuery(document.body).trigger( 'update_checkout' );
		} );
	</script>
	<?php
}
add_action( 'wp_footer', 'iconic_wds_add_custom_js' );