SpeechRecognitionResultList: length-Eigenschaft
Limited availability
This feature is not Baseline because it does not work in some of the most widely-used browsers.
Die length schreibgeschützte Eigenschaft des SpeechRecognitionResultList-Interfaces gibt die Länge des "Arrays" zurück — die Anzahl der SpeechRecognitionResult-Objekte in der Liste.
Wert
Eine Zahl.
Beispiele
Dieser Code ist ein Auszug aus unserem Speech color changer-Beispiel.
js
recognition.onresult = (event) => {
// The SpeechRecognitionEvent results property returns a SpeechRecognitionResultList object
// The SpeechRecognitionResultList object contains SpeechRecognitionResult objects.
// It has a getter so it can be accessed like an array
// The first [0] returns the SpeechRecognitionResult at position 0.
// Each SpeechRecognitionResult object contains SpeechRecognitionAlternative objects
// that contain individual results.
// These also have getters so they can be accessed like arrays.
// The second [0] returns the SpeechRecognitionAlternative at position 0.
// We then return the transcript property of the SpeechRecognitionAlternative object
const color = event.results[0][0].transcript;
diagnostic.textContent = `Result received: ${color}.`;
bg.style.backgroundColor = color;
console.log(event.results.length);
};
Spezifikationen
| Specification |
|---|
| Web Speech API # dom-speechrecognitionresultlist-length |
Browser-Kompatibilität
BCD tables only load in the browser