How to sort random posts by date in WordPress?

Question

JavaScript

It is necessary to display several random entries sorted by date.

$query = new WP_Query(
        [
          'post__in' => $post_id_array,
          'posts_per_page' => $number,
          'orderby' => [ 'rand', 'date'],
          'order'   => 'DESC',
        ]
      );

Tried it doesn't work.

Answer 1

scrollIntoView
demo