Speech recognition grammar

The 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.

Baseline Status: This feature is currently Limited and is missing in at least one major browser engine.

Desktop Browser Engine Support

Google Chrome

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Unsupported

Mozilla Firefox

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Unsupported

Apple Safari

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Unsupported

Microsoft Edge

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Unsupported

Mobile Browser Engine Support

Chrome Android

—

Firefox Android

—

Safari iOS

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Specifications and References

Specification ↗ Feature XML ↗

MDN Browser Compat Data Keys:

api.SpeechGrammar ↗ api.SpeechGrammar.src ↗ api.SpeechGrammar.weight ↗ api.SpeechGrammarList ↗ api.SpeechGrammarList.SpeechGrammarList ↗ api.SpeechGrammarList.addFromString ↗ api.SpeechGrammarList.addFromURI ↗ api.SpeechGrammarList.item ↗ api.SpeechGrammarList.length ↗ api.SpeechRecognition.grammars ↗