This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
The optional weight
property of the SpeechGrammar
interface sets and returns the weight of the SpeechGrammar
object.
Syntax
var myGrammarWeight = speechGrammarInstance.weight;
Value
A float representing the weight of the grammar, in the range 0.0–1.0.
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; console.log(speechRecognitionList[0].src); // should return the same as the contents of the grammar variable console.log(speechRecognitionList[0].weight); // should return 1 - the same as the weight set in line 4.
Specifications
Specification | Status | Comment |
---|---|---|
Web Speech API The definition of 'weight' in that specification. |
Draft |
Browser compatibility
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
Desktop | Mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
weight | Chrome Full support 25 | Edge Full support 79 | Firefox
Full support
44
| IE No support No | Opera Full support 27 | Safari No support No | WebView Android No support No | Chrome Android Full support 64 | Firefox Android No support No | Opera Android No support No | Safari iOS No support No | Samsung Internet Android Full support 9.0 |
Legend
- Full support
- Full support
- No support
- No support
- Experimental. Expect behavior to change in the future.
- Experimental. Expect behavior to change in the future.
- See implementation notes.
- See implementation notes.
- User must explicitly enable this feature.
- User must explicitly enable this feature.