The error event of the EventSource API is fired when a connection with an event source fails to be opened.
This event is not cancelable and does not bubble.
EventSource: error event
Syntax
Use the event name in methods like addEventListener(), or set an event handler property.
addEventListener('error', event => { }); onerror = event => { };
Event type
A generic Event.
Examples
var evtSource = new EventSource('sse.php'); // addEventListener version evtSource.addEventListener('error', (e) => { console.log("An error occurred while attempting to connect."); }); // onerror version evtSource.onerror = (e) => { console.log("An error occurred while attempting to connect."); };
Specifications
Browser compatibility
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
error_event |
6
|
79
|
6
|
No
|
12
|
5
|
4.4
|
18
|
45
|
12
|
5
|
1.0
|
See also
© 2005–2021 MDN contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/EventSource/error_event
