SpeechSynthesisEvent: utterance property

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since September 2022.

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

Value

A SpeechSynthesisUtterance object.

Examples

js
utterThis.onpause = (event) => {
  const char = event.utterance.text.charAt(event.charIndex);
  console.log(
    `Speech paused at character ${event.charIndex} of "${event.utterance.text}", which is "${char}".`,
  );
};

Specifications

Specification
Web Speech API
# dom-speechsynthesisevent-utterance

Browser compatibility

desktop mobile
Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
utterance
Chrome – Full support
Chrome 33 (Release date: 2014-02-20)
footnote Full support
Edge – Full support
Edge 14 (Release date: 2016-08-02)
footnote Full support
Firefox – Full support
Firefox 49 (Release date: 2016-09-20)
footnote Full support
Opera – Full support
Opera 21 (Release date: 2014-05-06)
footnote Full support
Safari – Full support
Safari 16 (Release date: 2022-09-12)
footnote Full support
Chrome Android – Full support
Chrome Android 33 (Release date: 2014-02-26)
footnote Full support
Firefox for Android – Full support
Firefox for Android 62 (Release date: 2018-09-05)
footnote Full support
Opera Android – No support
Opera Android
footnote No support
Safari on iOS – Full support
Safari on iOS 16 (Release date: 2022-09-12)
footnote Full support
Samsung Internet – Full support
Samsung Internet 3 (Release date: 2015-04-10)
footnote Full support
WebView Android – No support
WebView Android
footnote No support
WebView on iOS – Full support
WebView on iOS 16 (Release date: 2022-09-12)
footnote Full support

Legend

Tip: you can click/tap on a cell for more information.

Full support
Full support
No support
No support

See also