rc-js-util/docs/rc-js-util.broadcastchannel._constructor_.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; [BroadcastChannel](./rc-js-util.broadcastchannel.md) &gt; [(constructor)](./rc-js-util.broadcastchannel._constructor_.md)

## BroadcastChannel.(constructor)

Constructs a new instance of the `BroadcastChannel` class

**Signature:**

```typescript
constructor(key: TKey);
```

## Parameters

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

Parameter


</th><th>

Type


</th><th>

Description


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

key


</td><td>

TKey


</td><td>


</td></tr>
</tbody></table>