ReadonlylengthThe length read-only property of the SpeechRecognitionResultList interface returns the length of the "array" — the number of SpeechRecognitionResult objects in the list.
The item getter of the SpeechRecognitionResultList interface is a standard getter — it allows SpeechRecognitionResult objects in the list to be accessed via array syntax.
The
SpeechRecognitionResultListinterface of the Web Speech API represents a list of SpeechRecognitionResult objects, or a single one if results are being captured in non-continuous mode. Available only in secure contexts.MDN Reference