SpeechSynthesisUtterance: error event

This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

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

Bubbles No
Cancelable No
Interface SpeechSynthesisErrorEvent
Event handler property onerror

Examples

You can use the error event in an addEventListener method:

utterThis.addEventListener('error', function(event) {
  console.log('An error has occurred with the speech synthesis: ' + event.error');
});

Or use the onerror event handler property:

utterThis.onerror = function(event) {
  console.log('An error has occurred with the speech synthesis: ' + event.error');
}

Specifications

Specification Status Comment
Web Speech API
The definition of 'speech synthesis utterance events' in that specification.		 Draft

Browser compatibility

DesktopMobile
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidFirefox for AndroidOpera for AndroidSafari on iOSSamsung Internet
error event
Experimental
Chrome Full support 33Edge Full support 14Firefox Full support 49IE No support NoOpera Full support 21Safari Full support 7WebView Android No support NoChrome Android Full support 33Firefox Android Full support 62
Full support 62
No support 61 — 62
Disabled
Disabled From version 61 until version 62 (exclusive): this feature is behind the media.webspeech.synth.enabled preference (needs to be set to true). To change preferences in Firefox, visit about:config.
Opera Android No support NoSafari iOS Full support 7Samsung Internet Android Full support 3.0

Legend

Full support
Full support
No support
No support
Experimental. Expect behavior to change in the future.
Experimental. Expect behavior to change in the future.
User must explicitly enable this feature.
User must explicitly enable this feature.

See also