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web api event

WebSocket: error event

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Available in workers

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", (event) => {
  console.log("WebSocket error: ", event);
});

Specifications

SpecificationsStandards references are available on the canonical MDN page.

Browser compatibility

Browser compatibilityCompatibility data is available on the canonical MDN page.

See also