# Javascript: DocumentViewerController Constructor

> Initializes a new instance of the DocumentViewerController class.

- **Product:** DS Server
- **Section:** Reference
- **Kind:** Constructor
- **Path:** DS Server > Reference > JavaScript API - Document Viewer > Javascript: DocumentViewerController Constructor
- **119 words**
- **Web URL:** https://docs.textcontrol.com/ds-server/reference/javascript-document-viewer/documentviewercontroller/constructor/
- **LLMs URL:** https://docs.textcontrol.com/ds-server/reference/javascript-document-viewer/documentviewercontroller/constructor/llms.txt
- **LLMs-Full URL:** https://docs.textcontrol.com/ds-server/reference/javascript-document-viewer/documentviewercontroller/constructor/llms-full.txt

---

### Description

Initializes a new instance of the DocumentViewerController class.

### Syntax

```javascript
DocumentViewerController(<HTMLElement> container, [<DocumentViewerSettings> viewerSettings])
```

### Parameters

| Parameter | Description |
|---|---|
| container | Element that receives and owns the viewer DOM. |
| viewerSettings | Optional. Initial viewer settings. |

---

## Nearby

- **Previous:** [Javascript: DocumentViewerController.cancelSearch Method](https://docs.textcontrol.com/ds-server/reference/javascript-document-viewer/documentviewercontroller/cancelsearch-method/llms-full.txt)
- **Next:** [Javascript: DocumentViewerController.dispose Method](https://docs.textcontrol.com/ds-server/reference/javascript-document-viewer/documentviewercontroller/dispose-method/llms-full.txt)