[Plugin: PerformerJS] Libraries fail to load

I have used PerformerJS on WordPress sites, and I like the simplicity of it, but on more than one of my sites PerformerJS is not working. It seems on those sites that none of the libraries is loading. I can get jQuery to load by using the wp_enqueue_script approach documented at:

https://codex.www.ads-software.com/Function_Reference/wp_enqueue_script

It’s just a matter of using something like this in your index.php file, I believe:

function enqueue_performer() {
        wp_enqueue_script( 'jquery' );
}

add_action( 'init' , 'enqueue_performer' );

Adding these lines to that file did the trick on my site.

https://www.ads-software.com/extend/plugins/performerjs/