datetest.php

<?php
/*
Plugin Name: Date Picker Issue
Plugin URI: https://
Description: Shortcode [datetest]  this plugin  demonstrates that the id selector does not work when The7 theme is active with WP Bakery and on the WooCommerce shop page
Version: 0.1
Author: Alan
*/

add_action('wp_enqueue_scripts', function() {
	wp_enqueue_script( 'jquery-ui-datepicker' );
});
add_action('wp_footer', function(){
    ?>
    <script>
        (function ($) {
            $( "#datepickertestid" ).datepicker();
            $( ".datepickertestclass" ).datepicker();
        } )(jQuery);
    </script>
    <?php
},998989);
add_shortcode( 'datetest', function ( $atts ) {
	?>
	<p>Date via ID: <input type="text" id="datepickertestid"></p>
    <p>Date via Class: <input type="text" class="datepickertestclass"></p>
    <?php
});