now ajax is in PLGMTLS object as a method

plugins/fipfcard_plugin/js/example_init.js

@@ -6,5 +6,15 @@ title.innerHTML = "--- coucou ;) " + PLGNTLS_data.myvar_1;
 
 const ajax_button_1 = document.querySelector("#test_ajax_1");
 ajax_button_1.addEventListener('click', () => {
-	ajax_post(ajax_button_1, 'get_data');
+	PLGNTLS_data.ajax(ajax_button_1, 'get_data')
+		.then((response) => response.json())
+		.then((data) => {
+			console.log("datou: ");
+			console.log(data);
+		})
+		.catch((error) => {
+			console.log("error: ");
+			console.log(error);
+		})
+	;
 });