W3cubDocs

/DOM

EventSource.withCredentials

The withCredentials read-only property of the EventSource interface returns a Boolean indicating whether the EventSource object was instantiated with CORS credentials set.

Syntax

var myWithCredentials = eventSource.withCredentials;

Value

A Boolean indicating whether the EventSource object was instantiated with CORS credentials set (true), or not (false, the default).

Examples

var 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	Status	Comment
HTML Living Standard The definition of 'withCredentials' in that specification.	Living Standard	Initial definition

Browser compatibilityUpdate compatibility data on GitHub

	Desktop
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari
Basic support	6	No	6	No	Yes	5