CodeIgniter Snippet: How to load JavaScript files and/or code on a specific view

sample_controller.php

<?php
class Sample_controller extends CI_Controller {
    /**
     * Foo()
     * @return void
     */
    public function foo()
    {
        // External JavaScript files
        $data['js'] = array(
            '/path/to/your/js_file_1.js',
            '/path/to/your/js_file_2.js',
            '/path/to/your/js_file_3.js'/* ,
            and so on... */
        );
        
        // Internal JavaScript Code
        $data['js'][] = "$(document).ready(function($) {
            $('body').removeClass('loader');
        });";
        
        $this->load->view('sample_view', $data);
    }
}

sample_view.php

<?php
if (! empty($js) && is_array($js)) {
    /**
     * To store internal JavaScript code
     */
    $_js_scripts = array();

    // Perform a loop on $js array and attach external js files
    foreach ($js as $script) {
        // Check whether or not $script is an external javascript URL
        if (preg_match("/.+\.js$/m", $script)) {
            echo "<script type=\"text/javascript\" src=\"$script\"></script>".PHP_EOL;
        } else {
            // Store Javascript internal code
            $_js_scripts[] = $script;
        }
    }
    
    // Write Internal JavaScript statements right after embeding external ones
    if (! empty($_js_scripts)) {
        echo '<script type="text/javascript">'.PHP_EOL. implode(PHP_EOL, $_js_scripts) .PHP_EOL.'</script>'.PHP_EOL;
    }
}