> For the complete documentation index, see [llms.txt](https://openai.gitbook.io/code-cheatsheets/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://openai.gitbook.io/code-cheatsheets/js/all/electron/screen.md).

# screen

## Screen

Add window to external display

```javascript
const { app, BrowserWindow, screen } = require('electron')

let win

app.on('ready', () => {
  let displays = screen.getAllDisplays()
  let externalDisplay = displays.find((display) => {
    return display.bounds.x !== 0 || display.bounds.y !== 0
  })

  if (externalDisplay) {
    win = new BrowserWindow({
      x: externalDisplay.bounds.x + 50,
      y: externalDisplay.bounds.y + 50
    })
    win.loadURL('https://github.com')
  }
})
```

## [Display Object](https://www.electronjs.org/docs/api/structures/display#display-object)

* `id` Number - Unique identifier associated with the display.
* `bounds` [Rectangle](https://www.electronjs.org/docs/api/structures/rectangle) //x from left and y from top
* `size` [Size](https://www.electronjs.org/docs/api/structures/size)
* `workArea` [Rectangle](https://www.electronjs.org/docs/api/structures/rectangle)
* `workAreaSize` [Size](https://www.electronjs.org/docs/api/structures/size)
* `internal` Boolean - `true` for an internal display and `false` for an external display