SpeechSynthesisUtterance: error event

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since September 2018.

The error event of the Web Speech API SpeechSynthesisUtterance object is fired when an error occurs that prevents the utterance from being successfully spoken.

Syntax

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

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

onerror = (event) => { }

Event type

A SpeechSynthesisErrorEvent. Inherits from SpeechSynthesisEvent and Event.

Event SpeechSynthesisEvent SpeechSynthesisErrorEvent

Examples

You can use the error event in an addEventListener method:

js
utterThis.addEventListener("error", (event) => {
  console.log(
    `An error has occurred with the speech synthesis: ${event.error}`,
  );
});

Or use the onerror event handler property:

js
utterThis.onerror = (event) => {
  console.log(
    `An error has occurred with the speech synthesis: ${event.error}`,
  );
};

Specifications

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

Browser compatibility

See also