selectit
// Register Script function enqueue_selectize_jquery_script() { wp_register_script( 'selectize', '//raw.githubusercontent.com/brianreavis/selectize.js/master/dist/js/selectize.min.js', array( 'jquery' ), '1.0', false ); wp_enqueue_script( 'selectize' ); } // Hook into the 'admin_enqueue_scripts' action add_action( 'admin_enqueue_scripts', 'enqueue_selectize_jquery_script' );