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
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.
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.
}
// ...
}
| Specification |
|---|
| WebTransport # dom-webtransport-reliability |
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
reliability |
No | No | 114 | No | No | No | No | No | 114 | No | No | No |
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https://developer.mozilla.org/en-US/docs/Web/API/WebTransport/reliability