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WebTransportDatagramDuplexStream: outgoingHighWaterMark property

The outgoingHighWaterMark property of the WebTransportDatagramDuplexStream interface gets or sets the high water mark for outgoing chunks of data — this is the maximum size, in chunks, that the outgoing WritableStream's internal queue can reach before it is considered full. See Internal queues and queuing strategies for more information.

Note: This feature is available in Web Workers

Value

A number.

Examples

js

const url = "https://example.com:4999/wt";

async function initTransport(url) {
  // Initialize transport connection
  const transport = new WebTransport(url);

  // The connection can be used once ready fulfills
  await transport.ready;

  const datagrams = transport.datagrams;

  // set outgoingHighWaterMark
  datagrams.outgoingHighWaterMark = 20000;

  // get outgoingHighWaterMark
  console.log(datagrams.outgoingHighWaterMark);
}

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
outgoingHighWaterMark 97 97 114 No 83 No 97 97 114 68 No 18.0

See also

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