utils.js files update

test/edit.js

@@ -1 +0,0 @@
-edit.jq.js

test/index.html

@@ -4,7 +4,7 @@
 	<title>AJAX File upload TEST</title>
 	<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
 	<script src="jquery.min.js" type="text/javascript"></script>
-	<script defer src="edit.js" type="text/javascript"></script>
+	<script defer src="utils.min.js" type="text/javascript"></script>
 	<script defer src="other.js" type="text/javascript"></script>
 	<script defer src="../src/ajaxFileUploadSimple.js" type="text/javascript"></script>
 	<link rel=stylesheet type="text/css" href="other.css">
@@ -98,6 +98,7 @@
 		<div class="title">Previous uploaded</div>
 		<div id="file-info"></div>
 		<div id="file-list"></div>
+		<div id="file-list-reference-id"></div>
 	</div>
 </div>
 <input type="hidden" name="reference-id" id="reference-id" value="">

test/multiple_files_test.html

@@ -3,7 +3,7 @@
 	<title>AJAX File multiple upload TEST</title>
 	<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
 	<script src="jquery.min.js" type="text/javascript"></script>
-	<script defer src="edit.js" type="text/javascript"></script>
+	<script defer src="utils.min.js" type="text/javascript"></script>
 	<!-- <script defer src="other.js" type="text/javascript"></script> -->
 	<!-- <script defer src="../src/ajaxFileUploadSimple.js" type="text/javascript"></script> -->
 	<!-- <link rel=stylesheet type="text/css" href="other.css"> -->

test/other.js

@@ -97,7 +97,8 @@ function ajaxWrapper(call_id, queryString = {}, control = {}, url = 'backend.php
  * uuid4 creator
  * @returns {String} uuid4
  */
-function uuidv4() {
+function uuidv4() // eslint-disable-line no-unused-vars
+{
 	return "10000000-1000-4000-8000-100000000000".replace(/[018]/g, c =>
 		(+c ^ crypto.getRandomValues(new Uint8Array(1))[0] & 15 >> +c / 4).toString(16)
 	);
@@ -290,7 +291,7 @@ function fileUploadErrorFunction(target_file, file_pos, target_router, control_d
 }
 
 // ** init here **/file-list
-$(document).ready(function () {
+document.addEventListener('DOMContentLoaded', function() {
 	// run and fill uploaded
 	var call_id = 'fileList';
 	var queryString = {
@@ -300,9 +301,10 @@ $(document).ready(function () {
 		console.log('Data: %o', data);
 		try {
 			if (data.status == 'error') {
-				//
+				console.log('ERROR during data read');
 			} else {
 				$('#reference-id').val(data.content.reference_id);
+				$('#file-list-reference-id').html(data.content.reference_id);
 				// list files
 				if (data.status == 'warn') {
 					$('#file-info')