This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
The WritableStreamDefaultController
interface of the the Streams API represents a controller allowing control of a WritableStream
's state. When constructing a WritableStream
, the underlying sink is given a corresponding WritableStreamDefaultController
instance to manipulate.
Constructor
WritableStreamDefaultController()
- Creates a new
WritableStreamDefaultController
object instance.
Properties
- None.
Methods
WritableStreamDefaultController.error()
- Causes any future interactions with the associated stream to error.
Examples
const writableStream = new WritableStream({ start(controller) { // do stuff with controller // error stream if necessary controller.error('My error is broken'); }, write(chunk, controller) { ... }, close(controller) { ... }, abort(err) { ... } });
Specifications
Specification | Status | Comment |
---|---|---|
Streams The definition of 'WritableStreamDefaultController' in that specification. |
Living Standard | Initial definition. |
Browser Compatibility
Feature | Chrome | Edge | Firefox (Gecko) | Internet Explorer | Opera | Safari (WebKit) |
---|---|---|---|---|---|---|
Basic support | 58 | (Yes) | No support | ? | 45 | ? |
Feature | Android Webview | Chrome for Android | Edge | Firefox Mobile (Gecko) | IE Mobile | Opera Mobile | Safari Mobile |
---|---|---|---|---|---|---|---|
Basic support | 58 | 58 | (Yes) | No support | ? | 45 | ? |
Document Tags and Contributors
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Contributors to this page:
chrisdavidmills,
abbycar
Last updated by:
chrisdavidmills,