The WebSocket
interface's onerror
event handler property is a function which gets called when an error occurs on the WebSocket.
You can also add an error
event handler using addEventListener()
.
Syntax
webSocket.onerror = eventHandler;
Value
A function or EventHandler
which is executed whenever an error
event occurs on the WebSocket connection.
Example
webSocket.onerror = function(event) { console.error("WebSocket error observed:", event); };
Specifications
Specification | Status | Comment |
---|---|---|
HTML Living Standard The definition of 'WebSocket: onerror' in that specification. |
Living Standard | Initial definition |
Browser compatibility
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
Desktop | Mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
onerror | Chrome Full support Yes | Edge Full support 12 | Firefox Full support Yes | IE ? | Opera Full support Yes | Safari Full support Yes | WebView Android Full support Yes | Chrome Android Full support Yes | Firefox Android Full support Yes | Opera Android Full support Yes | Safari iOS Full support Yes | Samsung Internet Android Full support Yes |
Legend
- Full support
- Full support
- Compatibility unknown
- Compatibility unknown