Disable Text Selection on TNC FlipBook - PDF viewer for WordPress Plugin

disable-text-selection.php

/**
* Add the following code in your active theme's functions.php file
*/

function tnc_pvfw_disable_text_selection_script() {
    ?>
    <script>
    document.addEventListener('DOMContentLoaded', function () {
        document.body.style.userSelect = 'none';
    });
    </script>
    <?php
}
add_action('tnc_pvfw_footer', 'tnc_pvfw_disable_text_selection_script');