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/Web APIs

WebTransportError

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

The WebTransportError interface of the WebTransport API represents an error related to the API, which can arise from server errors, network connection problems, or client-initiated abort operations (for example, arising from a WritableStream.abort() call).

DOMException WebTransportError

Note: This feature is available in Web Workers

Constructor

WebTransportError()

Creates a new WebTransportError object instance.

Instance properties

Inherits properties from its parent, DOMException.

source Read only

Returns an enumerated value indicating the source of the error—can be either stream or session.

streamErrorCode Read only

Returns a number in the range 0-255 indicating the application protocol error code for this error, or null if one is not available.

Examples

js

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
# webtransporterror

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
WebTransportError 97 97 114 No 83 No 97 97 114 68 No 18.0
WebTransportError 97 97 114 No 83 No 97 97 114 68 No 18.0
source 97 97 114 No 83 No 97 97 114 68 No 18.0
streamErrorCode 97 97 114 No 83 No 97 97 114 68 No 18.0

See also

© 2005–2023 MDN contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/WebTransportError