Dont try to load CodeMirror on non-existent DOM element

app/views/partials/script.php

@@ -1,7 +1,7 @@
 <?php
 	use App\Classes\Config;
 ?>
-<script src="https://code.jquery.com/jquery-3.4.1.min.js" integrity="sha256-CSXorXvZcTkaix6Yvo6HppcZGetbYMGWSFlBw8HfCJo=" crossorigin="anonymous"></script>
+<script src="https://code.jquery.com/jquery-3.4.1.min.js" integrity="sha384-vk5WoKIaW/vJyUAd9n/wmopsmNhiy+L2Z+SBxGYnUkunIxVxAv/UtMOhba/xskxh" crossorigin="anonymous"></script>
 <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.16.0/umd/popper.min.js" integrity="sha384-Q6E9RHvbIyZFJoft+2mJbHaEWldlvI9IOYy5n3zV9zzTtmI3UksdQRVvoxMfooAo" crossorigin="anonymous"></script>
 <script src="https://stackpath.bootstrapcdn.com/bootstrap/4.4.1/js/bootstrap.min.js" integrity="sha384-wfSDF2E50Y2D1uUdj0O3uMBJnjuUD4Ih7YwaYd1iqfktj0Uod8GCExl3Og8ifwB6" crossorigin="anonymous"></script>
 <?php if ($this->adminSection) { ?>

public/js/app.js

@@ -104,13 +104,13 @@ $(document).ready(function() {
 
 	// Enable CodeMirror Editor
 	$.fn.codeMirror = function() {
+		if (this.length === 0) return;
+
 		editor = CodeMirror.fromTextArea($(this)[0], editorOptions);
 		editor.setSize('100%', '500');
 		registerEditorCopy();
-
-		return editor;
 	}
-	$('textarea#syntax-code').codeMirror().setOption('mode', 'text/x-csrc');
+	$('textarea#syntax-code').codeMirror();
 
 	// Enable WYSIWYG Editor
 	$('textarea#summernote').summernote({