复制js 父文件夹TwentySixteen 主题到子主题根。然后将以下代码添加到functions.php-

function the_dramatist_dequeue_scripts() {
    wp_dequeue_script( \'twentysixteen-script\' );
    wp_deregister_script( \'twentysixteen-script\' );
}
add_action( \'wp_print_scripts\', \'the_dramatist_dequeue_scripts\' );

function the_dramatist_twentysixteen_scripts() {
    wp_enqueue_script( \'twentysixteen-child-script\', get_stylesheet_directory_uri() . \'/js/functions.js\', array( \'jquery\' ), null, true );
}
add_action( \'wp_enqueue_scripts\', \'the_dramatist_twentysixteen_scripts\' );