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 | Status |
|---|---|
| HTML Living Standard The definition of 'WebSocket error' in that specification. |
Living Standard |
Browser compatibility
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
error event | Chrome Full support Yes | Edge Full support 12 | Firefox Full support Yes | IE ? | Opera Full support Yes | Safari ? | WebView Android Full support Yes | Chrome Android Full support Yes | Firefox Android Full support Yes | Opera Android ? | Safari iOS ? | Samsung Internet Android Full support Yes |
Legend
- Full support
- Full support
- Compatibility unknown
- Compatibility unknown
