EventSource: withCredentials property
Baseline Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since January 2020.
Note: This feature is available in Web Workers.
The withCredentials read-only property of the
EventSource interface returns a boolean value indicating whether
the EventSource object was instantiated with CORS credentials set.
Value
A boolean value indicating whether the EventSource object was
instantiated with CORS credentials set (true), or not (false,
the default).
Examples
js
const evtSource = new EventSource("sse.php");
console.log(evtSource.withCredentials);
Note: You can find a full example on GitHub — see Simple SSE demo using PHP.
Specifications
| Specification |
|---|
| HTML # dom-eventsource-withcredentials-dev |