WebTransport: reliability property
Limited availability
This feature is not Baseline because it does not work in some of the most widely-used browsers.
Experimental:This is anexperimental technology
Check theBrowser compatibility table carefully before using this in production.
Secure context: This feature is available only insecure contexts (HTTPS), in some or allsupporting browsers.
Note: This feature is available inWeb Workers.
Thereliability read-only property of theWebTransport interface indicates whether the connection supports reliable transports only, or whether it also supports unreliable transports (such as UDP).
Value
A string with one of the following values:
pendingThe connection has not yet been established.The reliability is not yet known.
reliable-onlyThe connection only supports reliable transports.
supports-unreliableThe connection supports both unreliable and reliable transports.
Examples
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 |
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| WebTransport # dom-webtransport-reliability |