EventSource: close() method
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 inWeb Workers.
Theclose() method of theEventSourceinterface closes the connection, if one is made, and sets theEventSource.readyState attribute to2 (closed).
Note:If the connection is already closed, the method does nothing.
Syntax
js
close()Parameters
None.
Return value
None (undefined).
Examples
js
const button = document.querySelector("button");const evtSource = new EventSource("sse.php");button.onclick = () => { console.log("Connection closed"); evtSource.close();};Note:You can find a full example on GitHub — seeSimple SSE demo using PHP.
Specifications
| Specification |
|---|
| HTML # dom-eventsource-close-dev |