获取本地音视频设备
目录
获取本地音视频设备
使用的是
navigator.mediaDevices.enumerateDevices()
方法
html:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>获取本地音视频设备</title>
</head>
<body>
<h1>获取设备列表</h1>
<table id="deviceList"></table>
</body>
</html>js:
<script>
var deviceList = document.getElementById("deviceList");
getLocalDevices();
function getLocalDevices () {
if (!navigator.mediaDevices || !navigator.mediaDevices.enumerateDevices) {
console.log("enumerateDevices() not supported.");
return;
}
navigator.mediaDevices.enumerateDevices()
.then(function(devices) {
console.log(devices)
var str =
"<tr>" +
"<td>deviceId</td>" +
"<td>groupId</td>" +
"<td>kind</td>" +
"<td>label</td>" +
"</tr>";
for(var i=0;i<devices.length;i++){
str +=
"<tr>"+
"<td>"+devices[i].deviceId+"</td>"+
"<td>"+devices[i].groupId+"</td>"+
"<td>"+devices[i].kind+"</td>"+
"<td>"+devices[i].label+"</td>"
"</tr>";
deviceList.innerHTML = str;
}
})
.catch(function(err) {
console.log(err.name + ": " + error.message);
});
}
</script>