SpeechSynthesisEvent: charIndex プロパティ
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.
charIndex
は SpeechSynthesisUtterance
インターフェイスの読み取り専用プロパティで、イベントが発生したときに発話されていた SpeechSynthesisUtterance.text
内の文字のインデックス位置を返します。
値
数値です。
例
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}".`,
);
};
仕様書
Specification |
---|
Web Speech API # dom-speechsynthesisevent-charindex |
ブラウザーの互換性
Report problems with this compatibility data on GitHubdesktop | mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
charIndex |
Legend
Tip: you can click/tap on a cell for more information.
- Full support
- Full support
- No support
- No support
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.