@zeix/ui-element/docs-src/pages/api/functions/asNumber.md

UIElement - a HTML-first library for reactive Web Components

[**@zeix/ui-element**](../README.md)

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[@zeix/ui-element](../globals.md) / asNumber

# Function: asNumber()

> **asNumber**\<`E`\>(`fallback?`): [`Parser`](../type-aliases/Parser.md)\<`number`, `E`\>

Defined in: [src/lib/parsers.ts:65](https://github.com/zeixcom/ui-element/blob/1e5ebee179adfc4619d3d0e9d2b864d1e97ba797/src/lib/parsers.ts#L65)

Parse a string as a number with a fallback

## Type Parameters

### E

`E` *extends* `Element` = `HTMLElement`

## Parameters

### fallback?

[`Fallback`](../type-aliases/Fallback.md)\<`number`, `E`\> = `0`

Fallback value or extractor function

## Returns

[`Parser`](../type-aliases/Parser.md)\<`number`, `E`\>

Parser function

## Since

0.11.0