Media Element js hook

mj.php

add_action( 'init', 'rg_deregister' );

function rg_deregister() {

	wp_deregister_script( 'mediaelement' );
	wp_register_script( 'mediaelement', get_template_directory_uri() . '/_ui/js/mediaelement-and-player.min.js', array( 'jquery' ) );

	wp_register_script( 'mediaelement-featuredection', get_template_directory_uri() . '/_ui/js/me-featuredetection.js', array( 'mediaelement' ) );
	wp_enqueue_script( 'mediaelement-featuredection' );

	wp_deregister_script( 'wp-mediaelement' );
	wp_register_script( 'wp-mediaelement', get_template_directory_uri() . '/_ui/js/wp-mediaelement.js', array( 'mediaelement' )  );
	wp_enqueue_script( 'wp-mediaelement' );

	wp_localize_script( 'wp-mediaelement', '_wpmejsSettings', array(
		'pluginPath' => includes_url( 'js/mediaelement/', 'relative' ),
	) );
}