javascript - WampServer为页面提供服务时，navigator.mediaDevices未定义(navigator.mediaDevices is undefined when page is served by WampServer)

Question

On Firefox 70.0.1, when I open a page served by WampServer 3.1.9 and test navigator.mediaDevices , I get undefined .

(在Firefox 70.0.1上，当我打开由WampServer 3.1.9提供的页面并测试navigator.mediaDevices ，得到undefined 。)

If I open the same page via its file:/// URL, navigator.mediaDevices is a valid object.

(如果我通过file:/// URL打开同一页面，则navigator.mediaDevices是有效的对象。)

How can the way the page is accessed affect the navigator object?

(访问页面的方式如何影响navigator对象？)

I just mention that I created a new virtual host on WampServer to host the page.

(我只是提到我在WampServer上创建了一个新的虚拟主机来托管页面。)

  ask by Christophe Fuzier translate from so

Answer 1

等待大神答复