diff --git a/demo/wasienv/dom/job_js.pas b/demo/wasienv/dom/job_js.pas
index ec1ea4f..456696d 100644
--- a/demo/wasienv/dom/job_js.pas
+++ b/demo/wasienv/dom/job_js.pas
@@ -21,6 +21,8 @@ const
   MaxSafeIntDouble =  $1fffffffffffff; //  9007199254740991
 
 Type
+  TDOMHighResTimeStamp = Int64;
+
   PJOBObjectID = ^TJOBObjectID;
 
   EJSObject = class(Exception);
@@ -495,6 +497,12 @@ type
   public
     class function Cast(const Intf: IJSObject): IJSString; overload;
   end;
+  
+  IJSIterator = interface (IJSObject) ['{21E331BA-7B57-42DD-8DCE-B26FEA85C639}']
+  end;
+  
+  TJSIteraror = class(TJSObject,IJSIterator)
+  end;
 
   { IJSArray }