SpeechGrammarList: addFromURI() method
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
js
addFromURI(src)
addFromURI(src, weight)
Parameters
src
-
A string representing the URI of the grammar to be added.
weight
Optional-
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 between0.0
and1.0
; If not specified, the default used is1.0
.
Return value
None (undefined
).
Examples
js
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
BCD tables only load in the browser