The onerror property of the EventSource interface is an EventHandler called when an error occurs and the error event is dispatched on an EventSource object.
Syntax
eventSource.onerror = function
Examples
evtSource.onerror = function() {
console.log("EventSource failed.");
};
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 'onerror' in that specification. |
Living Standard | Initial definition |
Browser compatibility
[1] But not service workers as yet.
See also
Document Tags and Contributors
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Char-Ten,
chrisdavidmills
Last updated by:
Char-Ten,