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 maximal zurückgegebenen Alternativen für jedes Ergebnis darstellt.
Beispiele
Dieser Code stammt aus unserem Beispiel Speech color changer.
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 |