# ZoomFactorChangedEventArgs Object

> The event argument object for the zoomFactorChanged event.

- **Product:** DS Server
- **Section:** Reference
- **Kind:** Object
- **Introduced:** 25.0
- **Path:** DS Server > Reference > JavaScript API > ZoomFactorChangedEventArgs Object
- **249 words**
- **Web URL:** https://docs.textcontrol.com/ds-server/reference/javascript/zoomfactorchangedeventargs/
- **LLMs URL:** https://docs.textcontrol.com/ds-server/reference/javascript/zoomfactorchangedeventargs/llms.txt
- **LLMs-Full URL:** https://docs.textcontrol.com/ds-server/reference/javascript/zoomfactorchangedeventargs/llms-full.txt

---

### Description

The event argument object for the [zoomFactorChanged event](https://docs.textcontrol.com/ds-server/reference/javascript/txtextcontrol/addeventlistener-method/llms-full.txt).

### Syntax

```javascript
{
   zoomFactor: <number>
}
```

### Examples

The following example demonstrates `ZoomFactorChangedEventArgs` in a practical document-editing workflow. The event argument object for the zoomFactorChanged event.

```javascript
function handleZoomFactorChanged(args) {
    console.log("zoom factor:", args.zoomFactor);
}
```

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## In This Section

- [Javascript: ZoomFactorChangedEventArgs.zoomFactor Property](https://docs.textcontrol.com/ds-server/reference/javascript/zoomfactorchangedeventargs/zoomfactor-property/llms-full.txt): The new zoom factor in percent.

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## Nearby

- **Previous:** [ZoomFactorChangedCallback Function](https://docs.textcontrol.com/ds-server/reference/javascript/zoomfactorchangedcallback/llms-full.txt)
- **Next:** [Javascript: ZoomFactorChangedEventArgs.zoomFactor Property](https://docs.textcontrol.com/ds-server/reference/javascript/zoomfactorchangedeventargs/zoomfactor-property/llms-full.txt)