navigator.getUserMedia 函数未定义

Question

Navigator.getUserMedia()

navigator.getUserMedia 函数是否可以因为未授予摄像头或麦克风访问权限而未定义？

Answer 1

From the documentation :

This is a legacy method. Please use the newer navigator.mediaDevices.getUserMedia() instead.

For example:

async function getMedia(constraints) {
  let stream = null;

  try {
    stream = await navigator.mediaDevices.getUserMedia(constraints);
    console.log('1')
    /* use the stream */
  } catch (err) {
    /* handle the error */
  }
}

getMedia({audio: true, video: true})

Source: MediaDevices documentation.