CountQueuingStrategy

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

The CountQueuingStrategy interface of the the Streams API provides a built-in byte length queuing strategy that can be used when constructing streams.

Constructor

CountQueuingStrategy()
Creates a new CountQueuingStrategy object instance.

Properties

None.

Methods

CountQueuingStrategy.size()
Returns 1.

Examples

const queuingStrategy = new CountQueuingStrategy({ highWaterMark: 1 });

const writableStream = new WritableStream({
  // Implement the sink
  write(chunk) {
    ...
  },
  close() {
    ...
  },
  abort(err) {
    console.log("Sink error:", err);
  }
}, queuingStrategy);

var size = queuingStrategy.size();

Specifications

Specification Status Comment
Streams
The definition of 'CountQueuingStrategy' 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

 Contributors to this page: chrisdavidmills, ricea, libbymc
 Last updated by: chrisdavidmills,