now we can add attributes to js files using the tools class

plugins/fipfcard_plugin/php/menu/example_menu.php

@@ -11,7 +11,8 @@ function fipfcard_plugin_content() {
 	$fipfcard = new PLGNTLS_class();
 
 	echo $fipfcard->add_to_front( array(
-		"js/menu/example_menu.js",
+		array("js/menu/example_menu.js", 'type'=>'module'),
+		"js/menu/example_menu_2.js",
 		"html/menu/example_menu.html",
 	));
 }
@@ -27,7 +28,7 @@ ajax
 - to access the content of the data object properties of the ajax call :
   use $_POST['property_name']
 */
-function fipfcard_ajax_handler()
+function fipfcard_menu_fetch_handler()
 {
 	return new WP_REST_Response('hello', 200);
 }
@@ -35,7 +36,7 @@ function fipfcard_menu_endpoint()
 {
 	register_rest_route('plgntls', '/get_data', array(
 		'methods' => 'POST',
-		'callback' => 'fipfcard_ajax_handler',
+		'callback' => 'fipfcard_menu_fetch_handler',
 	));
 };
 add_action('rest_api_init', 'fipfcard_menu_endpoint');