SpeechRecognition: maxAlternatives-Eigenschaft

Limited availability

This feature is not Baseline because it does not work in some of the most widely-used browsers.

Die maxAlternatives-Eigenschaft des SpeechRecognition-Interfaces legt die maximale Anzahl von SpeechRecognitionAlternatives fest, die pro SpeechRecognitionResult bereitgestellt werden.

Der Standardwert ist 1.

Wert

Eine Zahl, die die maximale Anzahl zurückgegebener Alternativen für jedes Ergebnis darstellt.

Beispiele

Dieser Code ist ein Auszug aus unserem Speech color changer-Beispiel.

js
const grammar =
  "#JSGF V1.0; grammar colors; public <color> = aqua | azure | beige | bisque | black | blue | brown | chocolate | coral | crimson | cyan | fuchsia | ghostwhite | gold | goldenrod | gray | green | indigo | ivory | khaki | lavender | lime | linen | magenta | maroon | moccasin | navy | olive | orange | orchid | peru | pink | plum | purple | red | salmon | sienna | silver | snow | tan | teal | thistle | tomato | turquoise | violet | white | yellow ;";
const recognition = new SpeechRecognition();
const speechRecognitionList = new SpeechGrammarList();
speechRecognitionList.addFromString(grammar, 1);
recognition.grammars = speechRecognitionList;
//recognition.continuous = false;
recognition.lang = "en-US";
recognition.interimResults = false;
recognition.maxAlternatives = 1;

// ...

Spezifikationen

Specification
Web Speech API
# dom-speechrecognition-maxalternatives

Browser-Kompatibilität

Report problems with this compatibility data on GitHub
desktopmobile
Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
maxAlternatives

Legend

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

Full support
Full support
No support
No support

Siehe auch