# Javascript: DocumentViewerController.toggleSidebar Method

> Toggles the left sidebar.

- **Product:** TX Text Control .NET Server
- **Section:** Reference
- **Kind:** Method
- **Introduced:** 24.0
- **Path:** TX Text Control .NET Server > Reference > JavaScript API - Document Viewer > Javascript: DocumentViewerController.toggleSidebar Method
- **139 words**
- **Web URL:** https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/javascript-document-viewer/documentviewercontroller/togglesidebar-method/
- **LLMs URL:** https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/javascript-document-viewer/documentviewercontroller/togglesidebar-method/llms.txt
- **LLMs-Full URL:** https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/javascript-document-viewer/documentviewercontroller/togglesidebar-method/llms-full.txt

---

### Description

Toggles the left sidebar.

### Syntax

```javascript
<void> DocumentViewerController.toggleSidebar()
```

### Return Value

This method does not return a value.

### Examples

The following example demonstrates `TXDocumentViewer.toggleSidebar` in a practical Document Viewer workflow. Toggles the display of the document thumbnail sidebar of the DocumentViewer.

```javascript
TXDocumentViewer.toggleSidebar();
console.log("toggle sidebar requested.");
```

---

## Nearby

- **Previous:** [Javascript: DocumentViewerController.toggleSelection Method](https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/javascript-document-viewer/documentviewercontroller/toggleselection-method/llms-full.txt)
- **Next:** [Javascript: DocumentViewerController.toggleToolbar Method](https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/javascript-document-viewer/documentviewercontroller/toggletoolbar-method/llms-full.txt)