WebSocket: error event

The error event is fired when a connection with a WebSocket has been closed due to an error (some data couldn't be sent for example).

Bubbles No
Cancelable No
Interface Event
Event handler property onerror

Examples

// Create WebSocket connection
const socket = new WebSocket('ws://localhost:8080');

// Listen for possible errors
socket.addEventListener('error', function (event) {
  console.log('WebSocket error: ', event);
});

Specifications

Specification
HTML Standard (HTML)
# event-error

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
5
12
7
10
12.1
5
≤37
18
7
12.1
4.2
1.0

See also

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Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/WebSocket/error_event