SpeechGrammar:src 属性
Limited availability
This feature is not Baseline because it does not work in some of the most widely-used browsers.
SpeechGrammar
接口的 src
属性用于获取或设置 SpeechGrammar
对象中包含语法的字符串。
值
表示语法的字符串。
示例
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;
console.log(speechRecognitionList[0].src); // 返回值应与语法变量的内容相同
console.log(speechRecognitionList[0].weight); // 应返回 1——与 addFromString 中设置的权重相同。
规范
Specification |
---|
Web Speech API # dom-speechgrammar-src |
浏览器兼容性
BCD tables only load in the browser