dom / latest / countqueuingstrategy / size.html /

CountQueuingStrategy.size()

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

The size() method of the CountQueuingStrategy interface always returns 1, so that the total queue size is a count of the number of chunks in the queue.

Syntax

size()

Parameters

None.

Return value

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

Browser compatibility

Desktop Mobile
Chrome Edge Firefox Internet Explorer Opera Safari WebView Android Chrome Android Firefox for Android Opera Android Safari on IOS Samsung Internet
size
52
16
65
No
39
10.1
52
52
65
41
10.3
6.0

© 2005–2021 MDN contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/CountQueuingStrategy/size