Load a script just to custom post type in admin
Try this code for adding scripts to the edit pages of your portfolio custom post type. add_action( ‘admin_print_scripts-post-new.php’, ‘portfolio_admin_script’, 11 ); add_action( ‘admin_print_scripts-post.php’, ‘portfolio_admin_script’, 11 ); function portfolio_admin_script() { global $post_type; if( ‘portfolio’ == $post_type ) wp_enqueue_script( ‘portfolio-admin-script’, get_stylesheet_directory_uri() . ‘/admin.js’ ); }