SpeechRecognition: error event

Limited availability

This feature is not Baseline because it does not work in some of the most widely-used browsers.

The error event of the Web Speech API SpeechRecognition object is fired when a speech recognition error occurs.

Syntax

Use the event name in methods like addEventListener(), or set an event handler property.

js
addEventListener("error", (event) => {});

onerror = (event) => {};

Event type

A SpeechRecognitionErrorEvent. Inherits from Event.

Event SpeechRecognitionErrorEvent

Event properties

In addition to the properties listed below, properties from the parent interface, Event, are available.

SpeechRecognitionErrorEvent.error Read only

Returns the type of error raised.

SpeechRecognitionErrorEvent.message Read only

Returns a message describing the error in more detail.

Examples

You can use the error event in an addEventListener method:

js
const recognition = new webkitSpeechRecognition() || new SpeechRecognition();

recognition.addEventListener("error", (event) => {
  console.error(`Speech recognition error detected: ${event.error}`);
});

Or use the onerror event handler property:

js
recognition.onerror = (event) => {
  console.error(`Speech recognition error detected: ${event.error}`);
};

Specifications

Specification
Web Speech API
# eventdef-speechrecognition-error
Web Speech API
# dom-speechrecognition-onerror

Browser compatibility

BCD tables only load in the browser

See also