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ReadableByteStreamController

This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

The ReadableByteStreamController interface of the Streams API represents a controller allowing control of a ReadableStream's state and internal queue. Byte stream controllers are for byte streams.

Constructor

ReadableByteStreamController(): Creates and returns a ReadableByteStreamController() object instance.

Properties

ReadableByteStreamController.byobRequest: Returns the current BYOB pull request.
ReadableByteStreamController.desiredSize: Returns the desired size required to fill the stream's internal queue.

Methods

ReadableByteStreamController.close(): Closes the associated stream.
ReadableByteStreamController.enqueue(): Enqueues a given chunk in the associated stream.
ReadableByteStreamController.error(): Causes any future interactions with the associated stream to error.

Examples

TBD.

Specifications

Specification	Status	Comment
Streams The definition of 'ReadableByteStreamController' in that specification.	Living Standard	Initial definition

Browser compatibilityUpdate compatibility data on GitHub

	Desktop
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari
Basic support	No	No	No	No	No	No
`ReadableByteStreamController()` constructor	No	No	No	No	No	No
`byobRequest`	No	No	No	No	No	No
`desiredSize`	No	No	No	No	No	No
`close`	No	No	No	No	No	No
`enqueue`	No	No	No	No	No	No
`error`	No	No	No	No	No	No

	Mobile
	Android webview	Chrome for Android	Edge Mobile	Firefox for Android	Opera for Android	iOS Safari	Samsung Internet
Basic support	No	No	No	No	No	No	?
`ReadableByteStreamController()` constructor	No	No	No	No	No	No	?
`byobRequest`	No	No	No	No	No	No	?
`desiredSize`	No	No	No	No	No	No	?
`close`	No	No	No	No	No	No	?
`enqueue`	No	No	No	No	No	No	?
`error`	No	No	No	No	No	No	?

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https://developer.mozilla.org/en-US/docs/Web/API/ReadableByteStreamController