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.
js
addEventListener("error", (event) => {});
onerror = (event) => {};
Event type
A generic Event
.
Examples
js
// Create WebSocket connection
const socket = new WebSocket("ws://localhost:8080");
// Listen for possible errors
socket.addEventListener("error", (event) => {
console.log("WebSocket error: ", event);
});
Specifications
Specification |
---|
WebSockets Standard # dom-websocket-onerror |
Browser compatibility
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