SpeechSynthesisEvent.utterance

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

The utterance read-only property of the SpeechSynthesisUtterance interface returns the SpeechSynthesisUtterance instance that the event was triggered on.

Syntax

event.utterance;

Value

A SpeechSynthesisUtterance object.

Examples

utterThis.onpause = function(event) {
  var char = event.utterance.text.charAt(event.charIndex);
  console.log('Speech paused at character ' + event.charIndex + ' of "' +
  event.utterance.text + '", which is "' + char + '".');
}

Specifications

Specification	Status	Comment
Web Speech API The definition of 'utterance' 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
`utterance` Experimental	Chrome Full support 33	Edge Full support 14	Firefox Full support 49	IE No support No	Opera Full support 21	Safari Full support 7	WebView Android No support No	Chrome Android Full support 33	Firefox 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 No	Safari iOS Full support 7.1	Samsung Internet Android ?

Legend

Full support: Full support
No support: No support
Compatibility unknown: Compatibility unknown
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.