WebTransportError: source property

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

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

The source read-only property of the WebTransportError interface returns an enumerated value indicating the source of the error.

Note: This feature is available in Web Workers

Value

An enumerated value; can be either stream or session.

Examples

const url = "notaurl";

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

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

    // ...
  } catch (error) {
    const msg = `Transport initialization failed.
                 Reason: ${error.message}.
                 Source: ${error.source}.
                 Error code: ${error.streamErrorCode}.`;
    console.log(msg);
  }
}

Specifications

Specification
WebTransport
# dom-webtransporterror-source

Browser compatibility

BCD tables only load in the browser

See also