# Javascript: DocumentViewerController.trackedChanges Property

> Tracked-change state and toolbar operations. Available after initialize() completes.

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

---

### Description

Tracked-change state and toolbar operations. Available after [initialize()](https://docs.textcontrol.com/ds-server/reference/javascript-document-viewer/documentviewercontroller/llms-full.txt) completes.

### Syntax

```javascript
<TrackedChanges> DocumentViewerController.trackedChanges
```

### Examples

The following example demonstrates `TXDocumentViewer.trackedChanges` in a practical Document Viewer workflow. Provides functionalities for working with tracked changes.

```javascript
const trackedChanges = TXDocumentViewer.trackedChanges;
trackedChanges.showToolbar(true);
console.table(trackedChanges.getItems());
```

---

## Nearby

- **Previous:** [Javascript: DocumentViewerController.toolbar Property](https://docs.textcontrol.com/ds-server/reference/javascript-document-viewer/documentviewercontroller/toolbar-property/llms-full.txt)
- **Next:** [DocumentViewerElement Class](https://docs.textcontrol.com/ds-server/reference/javascript-document-viewer/documentviewerelement/llms-full.txt)