---
title: "debug Class  ActiveX/Java Uploader JavaScript"
canonical: https://www.aurigma.com/docs/us8/JA_T_J_$au_debug.htm
product: "Upload Suite 8"
---

# debug Class ActiveX/Java Uploader JavaScript

Supported browsers: ![Internet Explorer](https://www.aurigma.com/docs/us8/icons/ie8.png)![Firefox](https://www.aurigma.com/docs/us8/icons/firefox.png)![Google Chrome](https://www.aurigma.com/docs/us8/icons/chrome.png)![Safari](https://www.aurigma.com/docs/us8/icons/safari.png)
 
This class allows to debug the script which embeds ActiveX/Java Uploader into a page.

For a list of all members of this class, see [debug Members](https://www.aurigma.com/docs/us8/JA_AllMembers_T_J_$au_debug.htm.md).

## Syntax
 
```
$au.debug = function() {
}
```

## Remarks
 
This class allows to show errors and warnings if ActiveX/Java Uploader has wrong configuration or it is used incorrectly, for example:
 
- assigning values to read-only properties;
- using an unsupported property or method;
- an error is detected in the event handler function;
- and others...

This class also supports displaying debug messages from ActiveX/Java Uploader.