> For the complete documentation index, see [llms.txt](https://docs.devolutions.net/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.devolutions.net/powershell-universal/it/app/components/utilities/head-element.md).

# Head Element

Usi il cmdlet New-UDHelmet in PowerShell Universal per iniettare tag head come elementi script, link e style per il caricamento di JavaScript e CSS esterni.

Può utilizzare il cmdlet `New-UDHelmet` per aggiungere tag di elementi `<head>` come `<script>` e `<style>` alle sue pagine. Questo è utile per includere JavaScript o CSS ospitati esternamente.

## JavaScript

Può caricare JavaScript utilizzando il tag script con l'attributo `src`. Noti che potrebbero essere in vigore limitazioni sulle risorse cross-site e potrebbe essere necessario modificare la configurazione del server web per supportare questa operazione.

```powershell
New-UDApp -Content {
    New-UDHelmet -Tag 'script' -Attributes @{ src = "https://www.mycdn.com/site.js" } 
}
```

## CSS

È possibile caricare CSS utilizzando il tag `link`.

```powershell
New-UDHelmet -Tag 'link' -Attributes @{ 
    rel = 'stylesheet' 
    href = "mystylesheet.css"
} 
```

## Stili

È possibile utilizzare un tag `style` per fornire stili direttamente.

```powershell
New-UDHelmet -Tag 'style' -Attributes @{ 
    type = 'text/css' 
} -Content "body { background-color: 'red' }"
```

## App

È inoltre possibile caricare fogli di stile e script direttamente dall'app.

```powershell
New-UDApp -Content {

} -Stylesheets "mysheet.js" -Scripts "mysite.js"
```


---

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