---
name: "up.form.isField"
area: "API"
kind: "JavaScript function"
parent: "up.form module"
url: "https://unpoly.com/api/up.form.isField"
---
<nav aria-label="Unpoly docs">[All docs](https://unpoly.com/index.md) · [up.form module](https://unpoly.com/api/up.form.md)</nav>

# up.form.isField(element)

Returns whether the given element is a form field, such as `input` or `select`.

To configure what Unpoly considers a form field, use [`up.form.config.fieldSelectors`](https://unpoly.com/api/up.form.config.md#config.fieldSelectors).

---

## Parameters {#parameters}

### element {#element}

(required)

The element to check.

Type: [Element](https://developer.mozilla.org/en-US/docs/Web/API/Element)

---

## Return value {#return-value}

Whether the given element is a form field.

Type: boolean