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SpeechGrammar.weight

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 compatibilityUpdate compatibility data on GitHub

	Desktop
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari
Basic support	25	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	No	No	No	No	No

SpeechGrammar.weight

Syntax

Value

Examples

Specifications

Browser compatibilityUpdate compatibility data on GitHub

See also