rc-js-util/docs/rc-js-util.atypedarraytuple.join.md

A collection of TS and C++ utilities to help writing performant and correct applications, achieved through strict typing and (removable) invariant checking.

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[Home](./index.md) &gt; [rc-js-util](./rc-js-util.md) &gt; [ATypedArrayTuple](./rc-js-util.atypedarraytuple.md) &gt; [join](./rc-js-util.atypedarraytuple.join.md)

## ATypedArrayTuple.join() method

Adds all the elements of an array separated by the specified separator string.

**Signature:**

```typescript
join(_separator?: string): string;
```

## Parameters

<table><thead><tr><th>

Parameter


</th><th>

Type


</th><th>

Description


</th></tr></thead>
<tbody><tr><td>

\_separator


</td><td>

string


</td><td>

_(Optional)_ A string used to separate one element of an array from the next in the resulting String. If omitted, the array elements are separated with a comma.


</td></tr>
</tbody></table>
**Returns:**

string