| title | short-title | slug | page-type | browser-compat |
|---|---|---|---|---|
SpeechRecognition: maxAlternatives property |
maxAlternatives |
Web/API/SpeechRecognition/maxAlternatives |
web-api-instance-property |
api.SpeechRecognition.maxAlternatives |
{{APIRef("Web Speech API")}}
The maxAlternatives property of the
{{domxref("SpeechRecognition")}} interface sets the maximum number of
{{domxref("SpeechRecognitionAlternative")}}s provided per
{{domxref("SpeechRecognitionResult")}}.
The default value is 1.
A number representing the maximum returned alternatives for each result.
This code is excerpted from our Speech color changer example.
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;
// ...{{Specifications}}
{{Compat}}