---
name: "up.Params.prototype.addAll"
area: "API"
kind: "Instance method"
parent: "up.Params class"
url: "https://unpoly.com/api/up.Params.prototype.addAll"
---
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# up.Params.prototype.addAll(params)

Adds all entries from the given list of params.

The given params value may be of any [supported type](https://unpoly.com/api/up.Params.md).

---

## Parameters {#parameters}

### params {#params}

(required)

Type: [Object](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Working_with_Objects) | [Array](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array) | string | [FormData](https://developer.mozilla.org/en-US/docs/Web/API/FormData) | [up.Params](https://unpoly.com/api/up.Params.md) | undefined