Add JavaScript to all WooCommerce Products

by

If you need to do this on the single product page use this condition then enqueue the JavaScript files.

function enqueue_single_product_javascript()
{
    if(is_product())
    {
       // Use wp_enqueue_script()
    }
}
add_action('wp_enqueue_scripts', 'enqueue_single_product_javascript');

https://developer.wordpress.org/reference/functions/wp_enqueue_script/
https://docs.woocommerce.com/document/conditional-tags/