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

Browser compatibility

Report problems with this compatibility data on GitHub
desktopmobileserver
Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
Deno
withCredentials

Legend

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Full support
Full support

See also