WebTransport: reliability property
Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
The reliability
read-only property of the WebTransport
interface indicates whether the connection supports reliable transports only, or whether it also supports unreliable transports (such as UDP).
Note: This feature is available in Web Workers
Value
A string with one of the following values:
pending
-
The connection has not yet been established. The reliability is not yet known.
reliable-only
-
The connection only supports reliable transports.
supports-unreliable
-
The connection supports both unreliable and reliable transports.
Examples
js
const url = "https://example.com:4999/wt";
async function initTransport(url) {
// Initialize transport connection
const transport = new WebTransport(url);
// Once ready fulfils the connection can be used
// Prior to this the reliability is "pending"
await transport.ready;
if (transport.reliability == "reliable-only") {
// Use connection only with reliable transports
} else {
// Use connection with either reliable or unreliable transports.
}
// ...
}
Specifications
Specification |
---|
WebTransport # dom-webtransport-reliability |
Browser compatibility
BCD tables only load in the browser