WebTransportDatagramDuplexStream: maxDatagramSize property

Limited availability

This feature is not Baseline because it does not work in some of the most widely-used browsers.

Secure context: This feature is available only in secure contexts (HTTPS), in some or all supporting browsers.

Note: This feature is available in Web Workers.

The maxDatagramSize read-only property of the WebTransportDatagramDuplexStream interface returns the maximum allowable size of outgoing datagrams, in bytes, that can be written to writable.

Value

A number.

Examples

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;

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