SpeechSynthesisEvent: charIndex-Eigenschaft

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since September 2018.

We'd love to hear more about your role and the company you work for

Please help us by answering a few questions.

Die charIndex schreibgeschützte Eigenschaft des SpeechSynthesisUtterance-Interfaces gibt die Indexposition des Zeichens in SpeechSynthesisUtterance.text zurück, das gerade gesprochen wurde, als das Ereignis ausgelöst wurde.

Wert

Eine Zahl.

Beispiele

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}".`,
  );
};

Spezifikationen

Specification
Web Speech API # dom-speechsynthesisevent-charindex

Browser-Kompatibilität

Report problems with this compatibility data on GitHub

	desktop					mobile
	Chrome	Edge	Firefox	Opera	Safari	Chrome Android	Firefox for Android	Opera Android	Safari on iOS	Samsung Internet	WebView Android	WebView on iOS
`charIndex`

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

Full support: Full support
No support: No support

Siehe auch

Web Speech API