Wordpress functions.php adding scripts with passing variables

enqueue scripts with passing vars

function custom_scripts()
{
  wp_deregister_script('jquery');
  wp_enqueue_script('jquery', 'https://ajax.googleapis.com/ajax/libs/jquery/2.1.3/jquery.min.js', array(), '1.0.0', false);
  wp_enqueue_script('jquery-ui', '//code.jquery.com/ui/1.11.4/jquery-ui.js', array(), '1.0.0', true);
  wp_enqueue_script('custom-script', get_template_directory_uri() . '/assets/js/script.js', array(), '1.0.0', true);

  $map_pin_url = array(
    'url' => get_template_directory_uri() . '/assets/img/map-pin.png',
  );
  wp_localize_script( 'custom-script', 'map_pin_url', $map_pin_url );
}

add_filter('wp_enqueue_scripts', 'custom_scripts');