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).
Syntax
Use the event name in methods like addEventListener()
, or set an event handler property.
addEventListener('error', event => { })
onerror = event => { }
Event type
A generic Event
.
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 # event-error |
HTML Standard # handler-websocket-onerror |
Browser compatibility
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