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SpeechGrammar.constructor

This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

The SpeechGrammar constructor of the SpeechGrammar interface creates a new SpeechGrammar object instance.

Syntax

var mySpeechGrammar = new SpeechGrammar();

Parameters

None.

Examples

var 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 ;'
var recognition = new SpeechRecognition();
var speechRecognitionList = new SpeechGrammarList();
speechRecognitionList.addFromString(grammar, 1);
recognition.grammars = speechRecognitionList;

var newGrammar = new SpeechGrammar();
newGrammar.src = '#JSGF V1.0; grammar names; public <name> = chris | kirsty | mike;'
speechRecognitionList[1] = newGrammar; // should add the new SpeechGrammar object to the list

Specifications

Browser compatibilityUpdate compatibility data on GitHub

Desktop
Chrome Edge Firefox Internet Explorer Opera Safari
Basic support 25
Prefixed
25
Prefixed
Prefixed Implemented with the vendor prefix: webkit
No 44
Disabled
44
Disabled
Note that currently only the speech synthesis part is available in Firefox Desktop — the speech recognition part will be available soon, once the required internal permissions are sorted out.
Disabled From version 44: this feature is behind the media.webspeech.recognition.enable preference (needs to be set to true). To change preferences in Firefox, visit about:config.
No 27 No
Mobile
Android webview Chrome for Android Edge Mobile Firefox for Android Opera for Android iOS Safari Samsung Internet
Basic support No 64
Prefixed
64
Prefixed
Prefixed Implemented with the vendor prefix: webkit
No No No No No

See also

© 2005–2018 Mozilla Developer Network and individual contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/SpeechGrammar/SpeechGrammar