1function my_enqueue() {
2
3    wp_enqueue_script( 'ajax-script', get_template_directory_uri() . '/js/my-ajax-script.js', array('jquery') );
4
5    wp_localize_script( 'ajax-script', 'my_ajax_object',
6            array( 'ajax_url' => admin_url( 'admin-ajax.php' ) ) );
7}
8add_action( 'wp_enqueue_scripts', 'my_enqueue' );
9