This code for enqueue JavaScript and CSS in WordPress Whole folder no need to separate enqueue the Files.

enqueue-js-and-css-files-from-folder-bulk.php

<?php
function enqueue_my_scripts(){
    foreach( glob( get_stylesheet_directory(). '/js/*.js' ) as $file ) {        
      $filename = substr($file, strrpos($file, '/') + 1);      
      wp_enqueue_script( $filename, get_template_directory_uri().'/js/'.$filename);
    }
    foreach( glob( get_stylesheet_directory(). '/css/*.css' ) as $file {        
      $filename = substr($file, strrpos($file, '/') + 1);      
      wp_enqueue_style( $filename, get_template_directory_uri().'/css/'.$filename);
    }
}