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SpeechSynthesisErrorEvent

The SpeechSynthesisErrorEvent interface of the Web Speech API contains information about any errors that occur while processing SpeechSynthesisUtterance objects in the speech service.

Event SpeechSynthesisEvent SpeechSynthesisErrorEvent

Constructor

SpeechSynthesisErrorEvent()

Creates a new SpeechSynthesisErrorEvent.

Instance properties

SpeechSynthesisErrorEvent extends the SpeechSynthesisEvent interface, which inherits properties from its parent interface, Event.

SpeechSynthesisErrorEvent.error Read only

Returns an error code indicating what has gone wrong with a speech synthesis attempt.

Instance methods

SpeechSynthesisErrorEvent extends the SpeechSynthesisEvent interface, which inherits methods from its parent interface, Event.

Examples

const synth = window.speechSynthesis;

const inputForm = document.querySelector("form");
const inputTxt = document.querySelector("input");
const voiceSelect = document.querySelector("select");

const voices = synth.getVoices();

// ...

inputForm.onsubmit = (event) => {
  event.preventDefault();

  const utterThis = new SpeechSynthesisUtterance(inputTxt.value);
  const selectedOption =
    voiceSelect.selectedOptions[0].getAttribute("data-name");
  for (let i = 0; i < voices.length; i++) {
    if (voices[i].name === selectedOption) {
      utterThis.voice = voices[i];
    }
  }

  synth.speak(utterThis);

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

  inputTxt.blur();
};

Specifications

Browser compatibility

Desktop Mobile
Chrome Edge Firefox Internet Explorer Opera Safari WebView Android Chrome Android Firefox for Android Opera Android Safari on IOS Samsung Internet
SpeechSynthesisErrorEvent 71 79 49 No 58 16 No 71 62 No 16 10.0
SpeechSynthesisErrorEvent 33 ≤18 49 No 21 7
NoSee bug 487255.
33 62 No 7 3.0
error 33 ≤18 49 No 21 7 No 33 62 No 7 3.0

See also

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Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/SpeechSynthesisErrorEvent