WebTransport: close() method

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 close() method of the WebTransport interface closes an ongoing WebTransport session.

Syntax

js
close(info)

Parameters

info Optional

An object containing the following properties:

closeCode

A number representing the error code for the error.

reason

A string representing the reason for closing the WebTransport.

Return value

undefined.

Exceptions

WebTransportError

Thrown if close() is invoked while the WebTransport is in the process of connecting.

Examples

js
const url = "https://example.com:4999/wt";
// Initialize transport connection
const transport = new WebTransport(url);

// ...

transport.close({
  closeCode: 017,
  reason: "CloseButtonPressed",
});

Specifications

Specification
WebTransport
# dom-webtransport-close

Browser compatibility

BCD tables only load in the browser

See also