Speech recognition grammarThe SpeechRecognition.grammars property of the Web Speech API represents a set of words or patterns of words that the recognition service should recognize, used for when the recognition service's accuracy is low.speechSpeechlimitedhttps://webaudio.github.io/web-speech-api/#speechreco-sectionhttps://developer.mozilla.org/docs/Web/API/SpeechGrammarapi.SpeechGrammarapi.SpeechGrammar.srcapi.SpeechGrammar.weightapi.SpeechGrammarListapi.SpeechGrammarList.SpeechGrammarListapi.SpeechGrammarList.addFromStringapi.SpeechGrammarList.addFromURIapi.SpeechGrammarList.itemapi.SpeechGrammarList.lengthapi.SpeechRecognition.grammarshttps://nowyoucanuse.com/features--speech-recognition-grammar.html