Enqueue JS Cookie in Functions.php

enqueue-js-cookie.php

<?php

add_action( 'wp_enqueue_scripts', 'tlc_theme_scripts' );
function tlc_theme_scripts() {
	wp_enqueue_script( 'js-cookie', get_stylesheet_directory_uri() . '/js/js.cookie.js', array( 'jquery' ), '', true );
}

?>