js.php

<script src="https://code.jquery.com/jquery-3.4.1.min.js" crossorigin="anonymous"></script>
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.bundle.min.js" crossorigin="anonymous"></script>
<script src="<?php echo base_url('js/scripts.js') ?>"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/Chart.js/2.8.0/Chart.min.js" crossorigin="anonymous"></script>
<script src="<?php echo base_url('assets/demo/chart-area-demo.js') ?>"></script>
<script src="<?php echo base_url('assets/demo/chart-bar-demo.js') ?>"></script>
<script src="https://cdn.datatables.net/1.10.20/js/jquery.dataTables.min.js" crossorigin="anonymous"></script>
<script src="https://cdn.datatables.net/1.10.20/js/dataTables.bootstrap4.min.js" crossorigin="anonymous"></script>
<script src="<?php echo base_url('assets/demo/datatables-demo.js') ?>"></script>