@fgv/ts-web-extras/docs/ts-web-extras.filesystemfilehandle_2.createwritable.md

Browser-compatible utilities and FileTree implementations

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[Home](./index.md) &gt; [@fgv/ts-web-extras](./ts-web-extras.md) &gt; [FileSystemFileHandle\_2](./ts-web-extras.filesystemfilehandle_2.md) &gt; [createWritable](./ts-web-extras.filesystemfilehandle_2.createwritable.md)

## FileSystemFileHandle\_2.createWritable() method

**Signature:**

```typescript
createWritable(options?: FileSystemCreateWritableOptions): Promise<FileSystemWritableFileStream>;
```

## Parameters

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

Parameter


</th><th>

Type


</th><th>

Description


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

options


</td><td>

[FileSystemCreateWritableOptions](./ts-web-extras.filesystemcreatewritableoptions_2.md)


</td><td>

_(Optional)_


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

**Returns:**

Promise&lt;[FileSystemWritableFileStream](./ts-web-extras.filesystemwritablefilestream_2.md)<!-- -->&gt;