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 Standard
# dom-eventsource-withcredentials-dev

Browser compatibility

BCD tables only load in the browser

See also