how to fix wordpress jquery is not defined

1wp_enqueue_script( 'Jquery-script', plugin_dir_url( __FILE__ ) . '/js/my-script.js', array( 'jquery' ), '1.0.0', true  );

1/** Absolute path to the WordPress directory. */
2
3if ( !defined('ABSPATH') )
4
5define('ABSPATH', dirname(__FILE__) . '/');
6
7define('CONCATENATE_SCRIPTS', false);