---
name: "up.util.each"
area: "API"
kind: "JavaScript function"
parent: "up.util module"
url: "https://unpoly.com/api/up.util.each"
---
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# up.util.each(list, block)

Calls the given function for each element (and optional index) of the given [list](https://unpoly.com/api/List.md) or iterator.

---

## Parameters {#parameters}

### list {#list}

(required)

Type: [List](https://unpoly.com/api/List.md) | Iterator

### block {#block}

(required)

A function that will be called with each element and (optional) iteration index.

Type: Function(element, index)