WebTransportError
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 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).
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
orsession
. 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
const url = "not-a-url";
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
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