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javascript - 检查用户是否插入了麦克风

转载 作者:行者123 更新时间:2023-11-30 12:02:56 24 4
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我有一个功能可以检查浏览器是否支持语音识别,它会提醒它是否支持,而且效果很好,除了当用户使用谷歌浏览器时它不会提醒任何东西,但是没有插入麦克风。

我想让它检查用户是否插入了麦克风。那可能吗?

function recognize() {

window.speechRecognition = window.speechRecognition || window.webkitSpeechRecognition || window.mozSpeechRecognition || window.webkitSpeechRecognition;

if (window.speechRecognition == undefined) {
alert("Speech Recognition Only Supported in Google Chrome");
} //end of if (window.speechRecognition == undefined)
else {
alert("Speech Recognition is Supported.");
} //end of else if (window.speechRecognition != undefined)

} //end of function recognize()

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