---
title: ReadableStreamDefaultController
framework: webkitjs
role: symbol
role_heading: Class
path: webkitjs/readablestreamdefaultcontroller
---

# ReadableStreamDefaultController

## Declaration

```data
interface ReadableStreamDefaultController
```

## Topics

### Instance Properties

- [desiredSize](webkitjs/readablestreamdefaultcontroller/2871389-desiredsize.md)

### Instance Methods

- [close](webkitjs/readablestreamdefaultcontroller/2871167-close.md)
- [enqueue](webkitjs/readablestreamdefaultcontroller/2871095-enqueue.md)
- [error](webkitjs/readablestreamdefaultcontroller/2871064-error.md)