SpeechGrammar：src 属性
已弃用: 不再推荐使用该特性。虽然一些浏览器仍然支持它，但也许已从相关的 web 标准中移除，也许正准备移除或出于兼容性而保留。请尽量不要使用该特性，并更新现有的代码；参见本页面底部的兼容性表格以指导你作出决定。请注意，该特性随时可能无法正常工作。
非标准: 该特性是非标准的，请尽量不要在生产环境中使用它！
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
No specification found
No specification data found for api.SpeechGrammar.src.
Check for problems with this page or contribute a missing spec_url to mdn/browser-compat-data. Also make sure the specification is included in w3c/browser-specs.