seperate js in files

app/views/shared/modals/_create_room_modal.html.erb

@@ -34,7 +34,8 @@
 </div>
 
 <script>
-
+// Handle validation messages client-side because
+// form is served in modal, and they are minimal.
 var roomCreateValidations = function(){
   if($('#room-name').val().length == 0){
     $('#room-name').addClass("is-invalid");
@@ -42,5 +43,4 @@ var roomCreateValidations = function(){
 }
 
 $('#create-room-submit').on('click', roomCreateValidations);
-
 </script>