Web/API/SpeechRecognitionErrorEvent

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

The SpeechRecognitionErrorEvent interface of the Web Speech API represents error messages from the recognition service.

Properties

SpeechRecognitionErrorEvent also inherits properties from its parent interface, Event.

SpeechRecognitionErrorEvent.error Read only: Returns the type of error raised.
SpeechRecognitionErrorEvent.message Read only: Returns a message describing the error in more detail.

Examples

var recognition = new SpeechRecognition();

recognition.onerror = function(event) {
  console.log('Speech recognition error detected: ' + event.error);
  console.log('Additional information: ' + event.message);
}

Specifications

Specification	Status	Comment
Web Speech APIThe definition of 'SpeechRecognitionErrorEvent' in that specification.	Draft

Browser compatibility

Update compatibility data on GitHub

	Desktop						Mobile
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	Android webview	Chrome for Android	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet
`SpeechRecognitionErrorEvent` Experimental'	Chrome Full support 77 Notes' Full support 77 Notes' Notes' You'll need to serve your code through a web server for recognition to work. No support 33 — 77 Alternate Name' Alternate Name' Uses the non-standard name: `webkitSpeechRecognitionError`	Edge Full support 79	Firefox No support No	IE No support No	Opera No support No	Safari No support No	WebView Android Full support 77 Notes' Full support 77 Notes' Notes' You'll need to serve your code through a web server for recognition to work. No support ≤37 — 77 Alternate Name' Alternate Name' Uses the non-standard name: `webkitSpeechRecognitionError`	Chrome Android Full support 77 Notes' Full support 77 Notes' Notes' You'll need to serve your code through a web server for recognition to work. No support 33 — 77 Alternate Name' Alternate Name' Uses the non-standard name: `webkitSpeechRecognitionError`	Firefox Android No support No	Opera Android No support No	Safari iOS No support No	Samsung Internet Android Full support 12.0 Notes' Full support 12.0 Notes' Notes' You'll need to serve your code through a web server for recognition to work. No support 2.0 — 12.0 Alternate Name' Alternate Name' Uses the non-standard name: `webkitSpeechRecognitionError`
`error` Experimental'	Chrome Full support 77	Edge Full support 79	Firefox No support No	IE No support No	Opera No support No	Safari No support No	WebView Android Full support 77	Chrome Android Full support 77	Firefox Android No support No	Opera Android No support No	Safari iOS No support No	Samsung Internet Android Full support 12.0
`message` Experimental'	Chrome Full support 77	Edge Full support 79	Firefox No support No	IE No support No	Opera No support No	Safari No support No	WebView Android Full support 77	Chrome Android Full support 77	Firefox Android No support No	Opera Android No support No	Safari iOS No support No	Samsung Internet Android Full support 12.0

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.
See implementation notes.': See implementation notes.
Uses a non-standard name.': Uses a non-standard name.

Firefox OS permissions

To use speech recognition in an app, you need to specify the following permissions in your manifest:

"permissions": {
  "audio-capture" : {
    "description" : "Audio capture"
  },
  "speech-recognition" : {
    "description" : "Speech recognition"
  }
}

You also need a privileged app, so you need to include this as well:

  "type": "privileged"