ByteLengthQueuingStrategy.constructor

The ByteLengthQueuingStrategy() constructor creates and returns a ByteLengthQueuingStrategy() object instance.

Syntax

var byteLengthQS = new ByteLengthQueuingStrategy({highWaterMark});

Parameters

{highWaterMark}

An object containing a highWaterMark property. This is a non-negative integer defining the total number of chunks that can be contained in the internal queue before backpressure is applied.

Return value

An instance of the ByteLengthQueuingStrategy object.

Exceptions

None.

Examples

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

const readableStream = new ReadableStream({
  start(controller) {
    ...
  },
  pull(controller) {
    ...
  },
  cancel(err) {
    console.log("stream error:", err);
  }
}, queuingStrategy);

var size = queuingStrategy.size(chunk);

Specifications

Browser compatibility

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