> For the complete documentation index, see [llms.txt](https://docs.novarietygames.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.novarietygames.com/websitecreator/luascript/dom/window/alert.md).

# alert

`window.alert()` instructs the browser to display a dialog with an optional message, and to wait until the user dismisses the dialog.

Examples

```lua
window.alert(Text)
```

```lua
window.alert("Hello! This is an alert")
```