SpeechGrammarList: addFromURI() method
Limited availability
This feature is not Baseline because it does not work in some of the most widely-used browsers.
Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
The addFromURI() method of the
SpeechGrammarList interface takes a grammar present at a specific URI and
adds it to the SpeechGrammarList as a new SpeechGrammar
object.
Note that some speech recognition services may support built-in grammars that can be specified by URI.
Syntax
addFromURI(src)
addFromURI(src, weight)
Parameters
src-
A string representing the URI of the grammar to be added.
weightOptional-
A float representing the weight of the grammar relative to other grammars present in the
SpeechGrammarList. The weight means the importance of this grammar, or the likelihood that it will be recognized by the speech recognition service. The value can be between0.0and1.0; If not specified, the default used is1.0.
Return value
None (undefined).
Examples
const 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 ;";
const recognition = new SpeechRecognition();
const speechRecognitionList = new SpeechGrammarList();
speechRecognitionList.addFromString(grammar, 1);
recognition.grammars = speechRecognitionList;
speechRecognitionList.addFromURI("http://www.example.com/grammar.txt"); // adds a second grammar to the list.
Specifications
| Specification |
|---|
| Web Speech API # dom-speechgrammarlist-addfromuri |
Browser compatibility
| desktop | mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
addFromURI | ||||||||||||