---
title: "thumbnailEvents.preRender Property  ActiveX/Java Uploader JavaScript"
canonical: https://www.aurigma.com/docs/us8/JA_P_J_$au_thumbnailEvents_preRender.htm
product: "Upload Suite 8"
---

# thumbnailEvents.preRender Property 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)
 
Gets or sets an array of [PreRender](https://www.aurigma.com/docs/us8/JA_E_Thumbnail_PreRender.htm.md) event handlers.

## Syntax
 
```
$au.thumbnail({
        events: {
            //...other params...
            preRender: [],
            //...other params...
        }
})
```

```
$au.thumbnail('thumbnailID').events().preRender(value);
value = $au.thumbnail('thumbnailID').events().preRender();
```
 
### Property Value
 
Type: [$au.event](https://www.aurigma.com/docs/us8/JA_T_J_$au_event.htm.md)
 
The string containing the name of **PreRender** event handler or an array of handler names.

## Remarks
 
This event fires before the [writeHtml()](https://www.aurigma.com/docs/us8/JA_M_J_$au_thumbnail_writeHtml.htm.md) or [getHtml()](https://www.aurigma.com/docs/us8/JA_M_J_$au_thumbnail_getHtml.htm.md) method is executed.

## See Also
 
### Reference
 
- [PreRender Client-Side Event](https://www.aurigma.com/docs/us8/JA_E_Thumbnail_PreRender.htm.md)
- [ThumbnailClientEvents.PreRender PHP PropertyActiveX/Java Uploader](https://www.aurigma.com/docs/us8/JA_P_P_ThumbnailClientEvents_PreRender.htm.md)