WebTransport: closed property
The closed
read-only property of the WebTransport
interface returns a promise that resolves when the transport is closed.
Note: This feature is available in Web Workers
Value
A Promise
that resolves to 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
.
Examples
js
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;
// ...
}
// ...
async function closeTransport(transport) {
// Respond to connection closing
try {
await transport.closed;
console.log(`The HTTP/3 connection to ${url} closed gracefully.`);
} catch (error) {
console.error(`The HTTP/3 connection to ${url} closed due to ${error}.`);
}
}
Specifications
Specification |
---|
WebTransport # dom-webtransport-closed |
Browser compatibility
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