> ## Documentation Index
> Fetch the complete documentation index at: https://docs.qu.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# concat

```ts theme={null}
function concat(datas): string
```

Returns a DataHexString | **DataHexString** by concatenating all values within `data`.

## Parameters

| Parameter | Type                                                           | Description              |
| :-------- | :------------------------------------------------------------- | :----------------------- |
| `datas`   | readonly [`BytesLike`](/sdk/content/type-aliases/BytesLike)\[] | The data to concatenate. |

## Returns

`string`

The concatenated data.

## Source

[utils/data.ts:152](https://github.com/dominant-strategies/quais.js/blob/c1c12d43f9d34c6baad2b0542bd6d0acd6fefcbf/src/utils/data.ts#L152)