.

Uncaught TypeError: b(...).not(...).filter(...).mediaelementplayer is not a function

add_action('wp_enqueue_scripts', 'my_register_javascript', 100);

function my_register_javascript() {
  wp_register_script('mediaelement', plugins_url('wp-mediaelement.min.js', __FILE__), array('jquery'), '4.8.2', true);
  wp_enqueue_script('mediaelement');
}