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.
A SpeechSynthesisUtterance object.
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}".`,
);
};
| Specification |
|---|
| Web Speech API> # dom-speechsynthesisevent-utterance> |
| 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 |
33 | 14 | 49 | 21 | 16 | 33 | 62 | No | 16 | 3.0 | No | 16 |
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https://developer.mozilla.org/en-US/docs/Web/API/SpeechSynthesisEvent/utterance