# Javascript: TXTextControl.zoom Method

> Zooms the contents of the TextControl.

- **Product:** DS Server
- **Section:** Reference
- **Kind:** Method
- **Introduced:** 28.0
- **Path:** DS Server > Reference > JavaScript API > Javascript: TXTextControl.zoom Method
- **351 words**
- **Web URL:** https://docs.textcontrol.com/ds-server/reference/javascript/txtextcontrol/zoom-method/
- **LLMs URL:** https://docs.textcontrol.com/ds-server/reference/javascript/txtextcontrol/zoom-method/llms.txt
- **LLMs-Full URL:** https://docs.textcontrol.com/ds-server/reference/javascript/txtextcontrol/zoom-method/llms-full.txt

---

### Description

Zooms the contents of the TextControl.

### Syntax

```javascript
<void> TXTextControl.zoom(<number> zoomFactor, [<EmptyRequestCallback> callback], [<ErrorCallback> errorCallback])
```

### Parameters

| Parameter | Description |
|---|---|
| zoomFactor | Specifies the zoom factor, in percent. This can also be one of the values of the [TXTextControl.SpecialZoomFactor](https://docs.textcontrol.com/ds-server/reference/javascript/txtextcontrol/specialzoomfactor-enumeration/llms-full.txt) enumeration. |
| callback | Optional. Is called when the operation completed. |
| errorCallback | Optional. Is called when the operation failed with an error. |

### Examples

The following example demonstrates `TXTextControl.zoom` in a practical document-editing workflow. Zooms the contents of the TextControl.

```javascript
function onTxError(error) {
    console.error("TX Text Control error:", error.msg);
    error.handled = true;
}

TXTextControl.zoom(
    100,
    function() {
        console.log("zoom completed.");
    },
    onTxError
);
```

---

## Nearby

- **Previous:** [Javascript: TXTextControl.ViewMode Enumeration](https://docs.textcontrol.com/ds-server/reference/javascript/txtextcontrol/viewmode-enumeration/llms-full.txt)
- **Next:** [Javascript: TXTextControl.zoomFactor Property](https://docs.textcontrol.com/ds-server/reference/javascript/txtextcontrol/zoomfactor-property/llms-full.txt)