EventSource.onerror

The onerror property of the EventSource interface is an event handler 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
HTML Standard (HTML)
# handler-eventsource-onerror

Browser compatibility

BCD tables only load in the browser

See also