Display enqueued scripts and styles on page

<?php
    // scripts
    global $wp_scripts;
    echo "<h2>Enqueued JS Scripts</h2><ul>";
    foreach( $wp_scripts->queue as $handle ) :
        echo "<li>" . $handle . "</li>";
    endforeach;
    echo "</ul>";
    // styles
    global $wp_styles;
    echo "<h2>Enqueued CSS Stylesheets</h2><ul>";
    foreach( $wp_styles->queue as $handle ) :
        echo "<li>" . $handle . "</li>";
    endforeach;
    echo "</ul>";
?>