# Javascript: ToolbarButton.activate Method

> Applies the active visual state.

- **Product:** DS Server
- **Section:** Reference
- **Kind:** Method
- **Introduced:** 32.4.1
- **Path:** DS Server > Reference > JavaScript API - Document Viewer > Javascript: ToolbarButton.activate Method
- **154 words**
- **Web URL:** https://docs.textcontrol.com/ds-server/reference/javascript-document-viewer/toolbarbutton/activate-method/
- **LLMs URL:** https://docs.textcontrol.com/ds-server/reference/javascript-document-viewer/toolbarbutton/activate-method/llms.txt
- **LLMs-Full URL:** https://docs.textcontrol.com/ds-server/reference/javascript-document-viewer/toolbarbutton/activate-method/llms-full.txt

---

### Description

Applies the active visual state.

### Syntax

```javascript
<void> ToolbarButton.activate()
```

### Return Value

Applies the active visual state.

### Examples

The following example demonstrates `toolbarbutton.activate` in a practical Document Viewer workflow. Marks the button as active.

```javascript
function activateApproveButton(toolbarButton) {
    toolbarButton.activate();
    console.log("Approve button: activate.");
}
```

---

## Nearby

- **Previous:** [ToolbarButton Class](https://docs.textcontrol.com/ds-server/reference/javascript-document-viewer/toolbarbutton/llms-full.txt)
- **Next:** [Javascript: ToolbarButton.createElement Method](https://docs.textcontrol.com/ds-server/reference/javascript-document-viewer/toolbarbutton/createelement-method/llms-full.txt)